History of the United States Patent Office
The Patent Office Pony
A History of the Early Patent Office
INDEX
* indicates that listed page includes illustration
Act of April 10, 1790
21,
22,
23,
35,
36,
47
Act of February 21, 1793
35,
36,
38,
45,
47,
70,
86,
87,
97
Act of April 28, 1810
58
Act of July 4, 1836
101,
102
Act of July 8, 1870
177
Adams, George R.
143
Adams, John
133,
136,
138,
139,
141
Adams, John Quincy
73,
*74,
75,
77,
108
Agriculture Dept separated from Patent Office
162
Agriculture Dept, beginnings in Patent Office
111,
112
Agriculture, Department of
205
Agriculture, invention of
5
Aisquith, William E.
147
Alexander the Great
2
American Artisan
174
American Mechanic's Magazine
80
American Museum at Philadelphia
80,
122
American Philosophical Society
16
Amory, Nathaniel
124
Anne, Queen, wife of James I of England
9
Annual Reports
110,
111
Anson, James
126
Armstrong, John
65
Arthur, Duke of Brittany
199
Bache, Alexander Dallas
122
Bacon, Levi
197
Bailey, Francis
21
Barney, Joshua, Commodore
65
Barton, Clara
*143,
144,
157,
160
Bauduy, Peter
44
Beach, Alfred Ely
129,
*130,
131
Beanes, William B., Dr.
66,
67
Bell, Alexander Graham
184
Bell, Samuel P.
134
Bickley, Robert S.
58
Biddle, James, Commodore
125,
188
Biggs, Isaac
27
Binney, Horace
51,
78
Bishop, Henry
89,
107,
114
Bishop, William Darius
*153,
154
Black, Jeremiah S.
152
Bladensburg Races
65
Blagrove, William
73
Blake, James H.
66
Bland, Allen M.
177
Bland, James A.
*177
Blodgett's Hotel
40,
41,
58,
59,
60,
63
64
65
66,
85,
95,
96,
106,
108,
109,
183
Blodgett's Hotel for meetings of Congress
67,
75
Blodgett's Hotel, enlargement of
79
Blodgett, Samuel Jr.
*40,
48,
58
Blydenburgh, Samuel
60
Board of Appeals, an early version
151
Borden, Gail
161
Bosworth, Lewis
161,
162
Brady, Matthew
155,
161
Brent, Daniel
41,
75,
77
Brewer, Major
36
Brewster, Abel
73
Brewster, Gilbert
74
Bridges, Robert
11
Britain, Clarissa
165
Brodeau, Anna Maria
39
Brooke, John Mercer
154,
168,
*169,
217,
219
Brown University
102
Brown, A.V.
153
Brown, Edm. F.
225
Browne, Daniel Jay
158
Browne, Peter Arrell
71,
76,
77,
78,
80
Browne, William Henry, Gen.
174
Browning, O.H.
173,
175
Brunelleschi, Filippo
*7
Buchanan, James
123,
147,
149,
153,
156,
188
Buell, Abel
13
Bulfinch, Charles Jr.
84,
85
Buntline, Ned
128
Burgdorf, Augustus
193
Burke, Aedanus
*21
Burke, Edmund
*121,
122,
128,
132
Burnet, David G.
124
Bushnell's Turtle
*14
Bushnell, David
14
Butterworth, Benjamin
*3,
4,
195,
200
Cadwalader, Lambert
21,
*23
Callan, John C.
108
Campbell, Mr., a draftsman
166
Carlson, Chester Floyd
202
Carry Me Back to Old Virginny
177
Cass, Lewis
122,
126,
146
Caveat Book
89
Caveats
159,
160
Centennial Celebration of Patent System
1,
199
Centennial Exposition of 1876
184
Chamberlen family, (Peter, etc.)
9,
10
Chamberlen, Peter, M.D.
*10
Charles II, King of England
12
Christie Minstrels
156
Cist, Jacob
47,
*48,
73
City Hall, temporary Patent Office quarters
*110,
112,
113
Civil engineering, origin of
71
Claiborne, William C.C.
*42
Clark, George Rogers
26
Clay, Henry
77,
78,
79,
80,
81
Clemens, Samuel L.
*178
Clermont, a steamboat
50
Clinton, Thomas G.
123
Cockburn, Sir George, Admiral
*64,
66
Cocking, William
67
Coe, Conway P.
203
Colfax, Schuyler
166
Collins, Asahel
113,
114
Colt, Samuel
93
Columbia Maid
29
Columbian College
83
Columbian Magazine
16
Commerce and Labor, Dept of
201
Commerce Department Building
201,
*202
Commerce, Dept of
201
Commissioner's Decisions
179
Commissioners for the Federal City
39,
40
Commissioners for the Promotion of Useful Arts
23,
*24
Confederate Patent Office
167,
*168,
169,
170
Connecticut Yankee in King Arthur's Court
178
Constitutional Convention
17,
18,
19
Copyright law in Patent Office
43
Cox, Cornelius
107
Cox, J.C., Gen.
174
Craig, John
84
Craig, John D., Dr.
83,
84,
85,
86,
87,
88,
89,
90,
91,
92
Cranch, William G.
133
Cranch, William, Chief Justice of D.C.
133
Crawford, Obadiah
42
Crosby, Sampson
25
Crown, Samuel
107
Crystal City home of Patent Office
*204
Custer, George Armstrong
184
Darby Ram
30,
31
Darcy v. Allin
8
Davis, Jefferson
153,
162,
167
Davis, Joseph
153
Dawes, Henry L.
176
Dawson v. Ennis
151
Dayton, Aaron Ogden
88,
89
Declaration of Independence exhibited in Patent Office
188
Demphel, Mr.
113
Dempsy and O'Toole
175
Den, temporary site of Patent Office
67
Deposit account, early
196,
197
Derbigny, Pierre
42
Devereaux, Arthur F.
150
Dodge, Thomas H.
146,
147,
151
Dodge, William C.
161,
162
Dogberry's maxim
152
Doge of Venice
7
Dolittle, William H.
184
Donovan, Thomas W., Dr.
114,
115
Doubleday, Mrs. Abner
164
du Pont de Nemours, EleuthŠre Ir‚n‚e
*43,
44
Duell, Charles H.
116
Duell, R. Holland
182,
*182
Duncan, Samuel A.
179
Earmuffs, invention of
180,
181
Edison, Thomas A.
2,
68,
131,
181
Egyptian hieroglyphics
116
Elizabeth I, Queen of England
8,
*9
Elliot, John
82
Elliot, Jonathan
69
Elliot, Seth Alfred
82,
83
Elliot, William
68,
69,
70,
76,
81,
82,
83,
84
Elliot, William Parker
76,
83,
87,
88,
90,
102,
103,
113,
114,
131
Ellsworth's Avengers
157
Ellsworth, Annie Goodrich
*119,
120,
205
Ellsworth, Elmer E.
150,
*156,
157
Ellsworth, Henry Leavitt
30,
38,
92,
*93,
94,
97,
98,
99,
103,
104,
105,
106,
107,
109,
110,
111,
112,
113,
114,
115,
116,
117,
118,
119,
120,
121,
125
Ellsworth, Oliver
18,
30,
92
Ellsworth, William Wolcott
30,
92
Eppes, John W.
61
Ericsson, John
159,
*160
Evans, Oliver, third U.S. patentee
15,
24,
*46,
47,
71,
72,
73,
76,
116
Ewbank, Thomas
132,
*133,
134,
142
Ewing, Thomas
*123,
132
Export Leaf Tobacco Warehouse
*203
Extension of patents
47
Fabrizio, Giovanni
68
Fales, Almira L.
160
Fales, Joseph T.
160
Farrally, John Wilson
132
Farwell, Leonard J.
169
Faux, William
68
Featherman, Americus
168
Federalist Papers
19
Fenwick, Benjamin
4,
69
Fenwick, Richard
64,
69
Fenwick, Richard Washington
69
Fenwick, Robert Washington
1,
*4,
131,
150,
156,
161,
199
Fenwick, Robert Welsh
4,
69,
78,
83,
84,
89,
131
Fillmore, Millard
136
Fire at Confederate Patent Office
169
Fire in Blodgett's Hotel
107,
108,
109
Fire in Patent Office Building
189,
190,
191,
192
Fire Zouaves
157
First Rhode Island Regiment
159
Fisher, Samuel Sparks
*175,
179
Fitch, John
15,
16,
*17,
18,
19,
20,
21,
26,
27,
28,
39,
50,
52,
53,
54,
153
Fitzgerald, William P.N.
115,
132
Foote, Elisha
*174,
175
Forsyth, John
90,
97,
101,
113,
114
Forsythe, Major Robert
36
Fort McHenry bombardment
67
Fort Sumter
156
Franklin Institute
76,
77,
122,
205
Franklin, Benjamin
16,
136,
137,
138,
139,
140,
141,
187
Fulton, Robert
29,
50,
*51,
52,
53,
54,
55,
56,
57,
73,
108,
136,
137,
138,
141,
187,
206
Gales, Joseph
66
Gales, Joseph Jr.
201
Gales, Joseph Sr.
201
Galileo Galilei
7
Gardner, Charles W.
200,
201
Gill, John
93,
94,
200
Gill, Richard C.
94,
200
Goodrich, Elizur
38
Goodyear, Charles
68
Gorrie, John, Dr.
*124
Goshorn, Elmer Ellsworth
157
Grant, Ulysses S.
180
Gravelly Point quarters of Patent Office
204
Greene, Catherine
36,
37
Greene, Gen. Nathanael
36
Greenwood, Chester
180,
*181
Griffin, E.W.
175
Growth of Industrial Art, The
195
Gurley, Revere, Dr.
156
Hall, Benton J.
196,
*197
Hall, E.T.
180,
194
Hall, John H.
73
Hamilton, Alexander
21
Hancock, John
188
Hand, Joseph W.
105
Hand, Tom
126,
127,
128
Harding, George
151
Harlan, James
171
Harrison, Benjamin
1
Hawkins, John J.
44
Hawkins, Joseph
76
Hays, Simeon
125
Hearn, Alfred G.
168
Henry VI, King of England
7
Henry, Joseph
122,
145,
155
Herbert Hoover Building
201,
*202
Hercules, Twelve Labors of
3
Hermitage
102
Hoban, James
39
Hodges, Silas Henry
*134,
142
Hogs given free run of Washington streets
95,
96
Hollerith, Herman
198
Holloway, David P.
157,
158,
161,
162,
171,
220
Holmes, Hodgen
38
Holt, Joseph
*151,
152,
153,
156
Home Department
123
Hopkins, Samuel, first U.S. patentee
1,
2,
24,
180,
194
Horse for the Office
4,
199; stolen
78
Horse-drawn rake invented
68
Hospital in Patent Office
160,
163,
164,
165
Hubbell, Jay
197
Huntington, Benjamin
21,
*22
Hurlbut, Stephen Augustus
162
Ice making, invention of
124
Imam of Muscat
125
Inaugural Ball in Patent Office for Lincoln
165,
166,
191
Ingham, Samuel C.
154
Interior Department
201, start of
123
Irving, Washington
92
Jackson Democrat
90
Jackson, Andrew
2,
81,
88,
90,
95,
102,
103,
104
Jackson, James W.
157
Jackson, Jennie
205
James I, King of England
9
James, B.F.
175
Japanese Patent Office
198,
199
Jay, John
25
Jayne, J.W.
175
Jefferson, Thomas
1,
23,
*24,
26,
27,
35,
49,
98,
136,
137,
138,
139,
140,
141,
187
Jenckes, Thomas A.
*176
Jenks, George
11
Jenks, Joseph III
12
Jenks, Joseph Jr
11,
12
Jenks, Joseph Sr
10,
11,
12,
177
Jewel robbery from Patent Office
125
John of Utynam
7,
8
John, King of England
199
Johns, Thomas
91,
92
Johnson, Andrew
171
Johnson, William Samuel, Dr.
18
Jones, Henry B.
128
Jones, Thomas P., Dr.
78,
80,
81,
82,
83,
84,
86,
88,
89,
91,
100,
113,
114,
123
Jones, Timothy, Col
65,
66
Jouffroy, the Marquis
16
Journal of the Franklin Institute
78,
80,
81,
82,
83,
91,
110,
123,
205
Karin Maru, Japanese ship
154
Keene, Laura
165
Keller, Charles Michael
75,
88,
89,
91,
92,
94,
99,
101,
105,
115,
116,
117,
*132,
161,
183
Keller, Jonas
74,
75,
79,
92
Kendall, Amos
102
Kennedy, James A.
107
Key, Francis Scott
67,
128
Key, Philip Barton
128
King, Nicholas
51
King, Rufus
18
Knickerbocker Magazine
135
Know Nothing Party
146
Knox, Henry
1,
23,
*24,
26
L'Enfant, Pierre, Maj.
102,
103
Lackland, John
199
Lamar, Mirabeau Bonapart
124
Lane, Homer
142
Langdon, William Chauncy
*142,
143,
146,
147
Latrobe, Benjamin Henry
*44,
56,
58,
59,
60
Lawrence, DeWitt Clinton
151,
161
Lawrence, Mr., of Virginia
165
Lee, Robert E.
142
Leggett, Mortimer D.
179,
*180,
181,
182,
183
Lemon, Charles
64
Lenox, Mr.
60
Lexicon Technicum
51,
52
Li Wu
68
Lincoln, Abraham
101,
*150,
156,
157,
159,
162,
163,
164,
188,
202
Lincoln, Levi
96
Lincoln, Robert Todd
150,
162
Little, A.B.
151
Livermore, Samuel
35
Livingston, Edward
86
Livingston, Robert R., steamboat investor
53,
54,
73
Long, Stephen H.
122
Lorrilard, Peter
38
Lyon, George
62,
63,
64,
65,
67,
69
Madison, James
*18,
19,
40,
41,
45,
46,
47,
48,
58
Mallory, Stephen Russell
169,
218
Marble, Edgar M.
195
Marbury v. Madison
133
Mary Bright, a boat
125
Maryland Historical Society
87
Mason, Charles
142,
143,
*144,
145,
146,
149,
155,
156,
157,
158,
159,
160,
163,
165,
166,
172,
179
Mason, Fenwick and Lawrence
161,
205
Mastayer, John
199
Masters, Sybilla and Thomas
12
Maul, W.
78
Mayo, Robert, Dr.
90,
92
McClelland, Robert
*147
McCormick v. Manny
150
McGowan, Ned
127
McIntire, Alexander M.
79,
86,
89,
90
McKain, Samuel
146
McLane, Louis
85,
87,
88,
90
McLean, John
79
Mechanic's Institute Building
*167
Meigs, Return Jonathan
68
Mercury (the god)
4
Merrimac, an ironclad
159,
168
Middleton, Virginia
194
Miller, Phineas
37
Mills, Robert
91,
102,
103
Minor, George
219
Mitchell, Charles Elliott
*1,
196,
197
Model Room
73,
74,
79,
*94,
100,
103,
125,
134,
*148,
150,
160,
*185,
186,
187,
198,
200
Models, repair of
75
Monitor, an ironclad
159
Monopolies, Statute of
8
Monroe, James
*54,
55,
56,
65
Montgomery, Benjamin T.
*153
Montgomery, Martin Van Buren
195,
*196
Moore, Edward B.
200
Moore, Gabriel
89,
90
Moore, Gales Pritchard
200,
201
Moore, Joseph Gales
201
Moore, William W.
201
Morgan, Hank
178
Morse, Brian
205
Morse, Samuel F.B.
3,
68,
*118,
119,
120,
205
Mulberry Grove, GA
36,
37
Mulliken, Samuel
26
Munden, Joseph Shepherd
32
Munn & Co.
129,
130,
131,
149,
158,
160,
173,
205
Munn, Orson D. (the younger)
205
Munn, Orson Desaix
*129
Muragaki Norimasa, Lord of Awaji
154,
*155
Museum of the Arts
185
National Gallery
117,
122,
125,
185
National Institute
114,
115,
134
National Intelligencer
201
National Museum
205
National Police Gazette
126,
127
National Portrait Gallery
205
Ned, a slave inventor
152,
153
New Orleans Bee
116
Newbold, Michael
68
Nicholas, Emperor of Russia
125
Nicholson, Thomas
63,
64,
65,
67
Niles, Hezekiah
80
Nixon, Richard
116
Noah, Mordecai M.
139
Normandy, Duke of
199
North River, a steamboat
50
Nurses during Civil War
160,
161,
163,
164
O'Neill, Charles
128
Official Gazette of the U.S. Patent Office
111,
179,
194
Oh Didn't He Ramble
31
Ohio Mechanics' Institute
84
Old Brick Capitol
67,
79,
102
Ooms, Casper W.
204
Orr, Jimmy and John
104
Orukter Amphibolis
*72
Ost, Charles J.
219
Our American Cousin
165
Packwood, R.J.
116
Page, Charles G.
*115,
116
Paine, Halbert Eleazer
*194,
195
Paine, Thomas
16
Paley, William, Archdeacon
68
Paper, manufacture during Revolution
14,
15
Park Grove farm
40
Parker v. Hoyt
150
Paschall, battalion of Col.
15
Patent Act of ..., see under Act of ...
Patent and Trademark Office
206
Patent Board
23,
*24,
27,
35
Patent Centennial Celebration
1,
199
Patent Fund
171
Patent Models, sale of
200
Patent Office Building
103,
185,
186,
187,
188,
189,
201
Patents All the Rage
32,
33,
34,
99
Patterson, William
17
Pawtucket RI, founding of
12
Payne, James
32
Peale, Charles Willson
38,
44,
71,
80,
122
Peale, Raphael
38
Peale, Reubens
80
Peale, Sophonisba
38
Peale, Titian Ramsay
*122,
123,
127,
143,
161,
180
Pelham, William
43
Pendleton, Major Nathaniel
36
Perpetual Motion
181,
182,
200
Perry, Commodore
198
Peters, Norris
175
Peters, Robert
80,
81
Philadelphia, move of Government to
27
Philp and Solomons
172
Phonograph, invention of
131
Photolithographing patent drawings
179,
190,
191,
192,
193,
194,
195
Pickett, James Chamberlayne
*91,
92,
94
Pierce, Franklin
143,
146
Pierce, P.B.
198,
199
Pigeon holes in Patent Office desk
25,
26
Pike, Mr. of Philadelphia
47
Pinckney, Charles C.
17,
18,
*19
Pine Tree Shilling
*11,
12
Platt, Orville H.
*2
Plumer, William, Sen.
45,
46
Pony (see Horse)
Popham, Haik, Schnobrich, Kaufman
205
Porter, Charles T.
142
Porter, John L.
169,
218
Porter, Rufus
129
Potter, Samuel C., of Treasury Dept.
92
Powhatan, U.S. warship
154
Priestly, Joseph
80
Pritchard, Kate Carroll
201
Publication of patents
76,
77,
78
Punched cards, invention of
198
Randolph, Edmund
1,
17,
23,
*24,
26,
27,
28
Read, Nathan
27,
*28,
29
Reaper Case
150
Reed, Jack
127
Registration of Patent Solicitors
200
Reid, James and John
42
Remsen, Henry Jr.
*25,
26
Repertory of the Arts and Manufactures for 1798
106,
183
Restored patents
37,
38,
111
Rhodes Tavern
40
Rhodes, Rufus Randolph
155,
*167,
168,
170,
217
Richmond, move of Patent Office to
203
Ridgely, Archibald
125
Riley, Henry Hiram
135,
141
Rillieux, Norbert
*116
Rillieux, Vincent
116
Rittenhouse, David
20
Robbins, Zenas C.
131,
150
Ross, Robert, Major General
64,
*65
Ruggles, John
94,
96,
97,
99,
100,
101,
102,
103,
107,
109,
111,
121,
177
Rumsean Society
16
Rumsey, James
15,
*16,
26,
27,
29
Rush, Richard
56,
57,
71
Salisbury CT iron furnace
14
Sampson, Joseph S., second U.S. patentee
24
Saugus Iron Works
11
Schmidt, Johann
68
Schoepf, Albin Francisco, Gen.
174
Scientific American
129,
130,
131,
145,
152,
154,
173,
179,
199,
205
Scientific American Patent Agency
129,
131
Scott, Gustavus
40
Scythes
11
Seal of Confederate Patent Office
*170
Seal of the Patent Office
105
Sellers, Beriah, Col.
178
Sellers, Coleman
38
Sellers, David
75
Sellers, Eschol
179
Sellers, George Escol
38,
*71,
72,
75,
76,
80,
110,
179
Sellers, Nathan
*15,
38,
71,
75,
76
Sellers, Sophonisba Peale
38
Sergeant, John
78
Seward, William H.
132
Shields, F.M.
199
Shimmi Masaoki, Lord of Buzen
*154
Shoes for patents
193
Shriver, Andrew
87,
88
Shriver, Maria
87
Shugert, John H.
225
Shugert, Samuel T.
155
Shuster, Jacob
126,
127,
128
Sickles, Daniel E.
128,
147
Sickles, George Garrett
130
Silverthorn's patent
161
Six Buildings
41
Smith, Caleb Blood
220
Smith, Charles E., Co.
204
Smith, John, the generic inventor
68,
136,
137,
156,
181,
182,
206
Smith, Robert
58,
*60,
62
Smithson, James
114
Smithsonian Institution
114,
115,
122,
145,
155,
205
Smyth, Henry
8
Snyder, Henry, J.P.
125
Soldiers quartered in Patent Office
159
Spear, Ellis
174,
*184,
185,
193,
196
Speech, invention of
5
Spencer Repeating Rifle Company
162
Spencer, Charles Miner
*162,
163
Stanton, Edward M.
151
Staples, Seth
130
Star-Spangled Banner
67
Steiger, Maria Shriver
87,
95,
108
Steiger, William Tell
85,
87,
88,
90,
91,
95,
106,
107,
108,
109,
183
Stevens Institute of Technology
29
Stevens, John Jr., Col
*27,
29,
50,
51
Stone, Henry
105,
115
Stone, working of
5
Stout, A.M., Gen.
173
Street, Mr.
146
Stuart, Oscar J.E.
152
Summers, James
107
Sumner, Charles
166
Surplus of funds at Patent Office, end of
201
Surratt, Mary
158
Sybaris, Greek colony of
6
Takahashi, Korekiyo
*198,
199
Taney, Roger
173
Taylor, George Jr.
26
Taylor, W.B.
175
Taylor, Zachary
126
Temple, Sir Thomas
12
Temporary Building
7, National Airport
204
Terry, Eli
38
Texas Patent Office
124
Thacher, John Marshall
182
Theaker, Thomas Clarke
*171,
172,
173,
174,
175
Theatre Royal Covent Garden
32
Thomas, Philip Francis
*154
Thompson, Jacob
151,
152
Thorn, Stephen, Rep.
47
Thorne, W.H.
*199
Thornton, Anna Maria
39,
84
Thornton, William, Dr.
19,
20,
*39,
40,
42,
43,
44,
45,
46,
47,
48,
49,
50,
51,
52,
53,
54,
55,
56,
57,
59,
60,
61,
62,
63,
64,
65,
66,
67,
68,
69,
70,
71,
72,
73,
74,
75,
76,
77,
79,
80,
81,
82,
84,
86,
108,
183,
185,
206
Tiber Creek
202
Tiberius Caesar
6,
7
Timby, Theodore Ruggles
*159,
160,
220,
221,
225
Town, Ithiel
102
Treasury Building, burning of
96
Tuesday as issue date of patents
123
Twain, Mark
*178
Tyler, John
159
Typewriters in Patent Office
194
United States Theater
41
Utynam, John of
7,
8
Vail, Aaron
20
Vail, Alfred
120
Van Buren, Martin
80,
82,
83,
84,
114
Venice Preserved, or the Spoiled Child
41
Virginia, C.S.S., a ship
169
Vivant, Constance
116
Voigt, Henry
19,
20,
28
Vulcan (the god)
4
Walker, Tom
127
War of 1812
64
Warner, Charles Dudley
178
Washington City Gazette
68
Washington, George
15,
17,
18,
21,
30,
38,
39,
188
Washington, move of Government to
39
Washington, William De Hartburn
143
Waters, Major
65,
66
Watts, T.H.
217
Weaver, William Augustus
86
Webb, Charles
127
Webb, Jim
122,
127,
128
Webster, Daniel
115,
121
Webster, Joseph D., Lt.
122
What Hath God Wrought
120
Wheeler, Nathaniel
130
White, Alexander
35,
40
White, Richard H.
108
White, W.W.
155
Whitman, Walt
*163,
164,
165,
166
Whitney, Eli
*36,
68,
187
Wilkes exploring expedition
115,
122,
134
Wilkes, Charles
122
Wilkes, George
126,
*127,
128
Willet, Burgess
64
Williamson, Hugh, Dr.
35
Williamson, Perigrine
48
Williamson, William P.
218
Wilson, Allen Benjamin
130,
*131
Wirt, William
77,
78
Withers, Michael
73
Wright, Carroll D.
2
Writing, invention of
5,
6
X series of patents
111
Xerography, invention of
202
Young, Jim
127,
128
Zell, John
125