Drilldown: Patents

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Patents > Patent agent : David H. Fletcher or Victor J. Evans

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Office:
Inventors:
George Lehberger (3) · Robert P. Hall (2) · Rexford M. Smith (2) · Samuel S. Yarrington (2) · Ralph P. Fox (2)
Inventor country:
Applicant person:
George Lehberger (3) · Robert P. Hall (2) · Ralph P. Fox (2) · Samuel S. Yarrington (2) · Rexford M. Smith (2)
Applicant is inventor:
Tech fields:
Airplane (21) · None (20) · stability (17) · frame (15) · rudder (12) · navigation (11) · propeller (11) · hybrid (8) · propulsion (7) · safety (7) · helicopter (5) · parachute (5) · landing (4) · LTA (4) · takeoff (4) · airfoil (4) · automatic stability (4) · wheels (4) · balloon (3) · airship (3)
Full specification filed date:
Application number:
None (10)
Granted:
Publication date:
Supplementary to patent:
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (10) · USPC 244/80 (8) · USPC 244/45R (5) · USPC 244/104R (4) · USPC 244/119 (4) · USPC 244/90R (3) · USPC 244/79 (3) · USPC 244/66 (3) · USPC 244/35R (3) · USPC 244/233 (3) · USPC 244/139 (3) · USPC 244/177 (2) · USPC 244/87 (2) · USPC 244/73R (2) · USPC 244/64 (2) · USPC 244/51 (2) · USPC 244/48 (2) · USPC 244/100R (2) · USPC 244/131 (2)
CPCs:
CPC B64C17/00 (13) · CPC B64C23/005 (7) · CPC B64B1/00 (4) · CPC B64C2700/6295 (4) · CPC B64C27/82 (4) · CPC B64C13/00 (4) · CPC B64C17/06 (3) · CPC B64C9/00 (3) · CPC B64C39/08 (3) · CPC B64C3/385 (3) · CPC G05D1/0061 (2) · CPC Y02E10/28 (2) · CPC Y02E10/74 (2) · CPC B64C29/0033 (2) · CPC B64C3/14 (2) · CPC B64C33/02 (2) · CPC B64C39/005 (2) · CPC B64C1/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 82 results in range #1 to #82.

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