Drilldown: Patents
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Patents > National tech categories:
USPC 244/80
& Citations from after 1930:
None
& Number of text pages:
3-70
Use the filters below to narrow your results.
Albert Hugo Friedel (1) ·
Alfred John Macy (1) ·
Arthur George Watkins (1) ·
Arthur R. Curtis (1) ·
Burt Jackson Pressey (1) ·
Charles B. Thomas (1) ·
Charles T. Litchfield (1) ·
Christopher John Lake (1) ·
Edwin H. Skinner (1) ·
George C. Beidler (1) ·
George Lehberger (1) ·
Harry D Newhart (1) ·
Harry S. Bretton (1) ·
Henry Calder Lobnitz (1) ·
James Means (2) ·
James V. Crowthers (1) ·
Jesse W. Silver (1) ·
John P. Tarbox (3) ·
Joseph Wetterwald (1) ·
Jules Cornu (1) ·
Laurence Oliver Schopp (1) ·
Ludolf G. Schroeder (1) ·
Michael Angelo Parisano (1) ·
Otto Haselau (1) ·
Paul Cornu (1) ·
Peter Cooper Hewitt (1) ·
Ralph D. McKay (1) ·
Rexford M. Smith (1) ·
Robert M. Thompson (1) ·
Thomas Motton (1) ·
William E. Dennis (1)
None (3) ·
Albert Hugo Friedel (1) ·
Alfred John Macy (1) ·
Arthur George Watkins (1) ·
Arthur R. Curtis (1) ·
Burt Jackson Pressey (1) ·
Charles Bartlett Thomas (1) ·
Charles T. Litchfield (1) ·
Christopher John Lake (1) ·
Conrad L. Schopp (1) ·
David James Beitzel (1) ·
Edwin H. Skinner (1) ·
George C. Beidler (1) ·
George Lehberger (1) ·
Harry D Newhart (1) ·
Harry L Roderick (1) ·
Harry S. Bretton (1) ·
Henry Calder Lobnitz (1) ·
James Means (2) ·
Jesse W. Silver (1) ·
John P. Tarbox (2) ·
Joseph Wetterwald (1) ·
Jules Cornu (1) ·
Laurence Oliver Schopp (1) ·
Ludolf G. Schroeder (1) ·
Michael Angelo Parisano (1) ·
Paul Cornu (1) ·
Peter Cooper Hewitt (1) ·
Ralph D. McKay (1) ·
Rexford M. Smith (1) ·
Robert M. Thompson (1) ·
Thomas Motton (1) ·
William E. Dennis (1)
Tech fields:
None (4) ·
1906334171 (1) ·
1907407094 (1) ·
1908418679 (1) ·
1908450351 (1) ·
1908457569 (1) ·
1908463460 (1) ·
1909504086 (1) ·
1909521671 (1) ·
1910553194 (1) ·
1910560719 (1) ·
1910569415 (1) ·
1910576154 (1) ·
1910579114 (1) ·
1910588372 (1) ·
1910593850 (1) ·
1911615488 (1) ·
1911627275 (1) ·
1911660249 (1) ·
1912669695 (1) ·
1912670429 (1) ·
1912679570 (1) ·
1912683008 (1) ·
1912715276 (1) ·
1912715277 (1) ·
1914866730 (1) ·
6243815 (1) ·
86613/16 (1)
Showing below up to 31 results in range #1 to #31.
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- Calendar: Year filed
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