Drilldown: Patents
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Patents > Office
:
GR
or
US
& National tech categories:
USPC 244/80
& Number of claims:
5-20
& Number of figures:
11-30 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Albert Hugo Friedel (1) ·
Alfred John Macy (1) ·
Allen L. McKeeth (1) ·
C. E. Houston (1) ·
Charles Bartlett Thomas (1) ·
Dighton B. Ellsworth (1) ·
Frederick William Dufwa (1) ·
H. L. Lane (1) ·
John F. O'Rourke (1) ·
Merrill E. Clark (1) ·
Robert M. Thompson (1) ·
Thomas Rhoades (1) ·
Willet B. McKeeth (1)
Showing below up to 10 results in range #1 to #10.
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