Drilldown: Patents
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- Person (2105)
- Publications (24555)
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Patents > Office :
IN or
US
& Filing date:
1910 - 1919
& National tech categories :
HU V/h or
USPC 244/30 or
USPC 244/80
& Number of claims:
3-4
Use the filters below to narrow your results.
Charles T. Litchfield (1) ·
Daniel Stephen Dickens (1) ·
Ernst Ebbinghaus (1) ·
Harry D Newhart (1) ·
Jacob Christian Hansen-Ellehammer (1) ·
Joseph Herbeck (1) ·
Laurence Oliver Schopp (1) ·
Marius Mathiesen (1) ·
Morris Newgold (1) ·
Niels Waltersen Aasen (1) ·
Ralph D. McKay (1) ·
Thaddeus S.C. Lowe (1) ·
William B. Shepard (1)
Charles T. Litchfield (1) ·
Conrad L. Schopp (1) ·
Daniel Stephen Dickens (1) ·
Ernst Ebbinghaus (1) ·
Harry D Newhart (1) ·
Harry L Roderick (1) ·
Jacob Christian Hansen-Ellehammer (1) ·
James Mackin (1) ·
Laurence Oliver Schopp (1) ·
Marius Mathiesen (1) ·
Morris Newgold (1) ·
Niels Waltersen Aasen (1) ·
Ralph D. McKay (1) ·
Thaddeus S.C. Lowe (1) ·
William B. Shepard (1)
Showing below up to 11 results in range #1 to #11.