Drilldown: Patents

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Patents > Patent agent : None or Victor J. Evans & Number of diagram pages: 4-20

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Office:
Inventors:
Thomas Osborne Perry (3) · Robert P. Hall (2)
Inventor country:
Applicant person:
Thomas Osborne Perry (3) · Robert P. Hall (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
Airplane (11) · Stability (10) · None (9) · hybrid (7) · rudder (6) · propeller (6) · Navigation (6) · frame (6) · helicopter (5) · safety (4) · propulsion (4) · flying machine (3) · wheels (3) · parachute (3) · marine (3) · landing (3) · LTA (3) · Airship (3)
Full specification filed date:
Application number:
None (6)
Granted:
Publication date:
Related to aircraft:
Patent agent: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (5) · None (4) · CPC B64C23/005 (4) · CPC B64C27/82 (4) · CPC B64B1/00 (3) · CPC B64C2700/6295 (2) · CPC B64C39/00 (2) · CPC B64C33/00 (2) · CPC B64C27/10 (2) · CPC B64C39/026 (2) · CPC B64C2700/6218 (2) · CPC B64C3/385 (2) · CPC B64C3/14 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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