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Patents > Citations from after 1930: 2-4 & Number of text pages: 1-2 & Number of claims: 4-90

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Office:
Inventors:
Spencer Heath (3)
Inventor country:
Applicant person:
Spencer Heath (3) · None (2)
Applicant is inventor:
Tech fields:
None (9) · propeller (9) · frame (8) · airplane (6) · propulsion (6) · military (3) · airfoil (3) · wheels (3) · takeoff (3) · stability (3) · parachute (3) · helicopter (2) · aerial propeller (2) · LTA (2) · rudder (2) · kite (2) · projectile (2) · fuselage (2) · flapping (2) · texture (2)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (5) · None (3) · Munn & Co. (3) · Victor J. Evans (2) · Eric W. Walford (2)
National tech categories:
None (15) · USPC 244/63 (2) · USPC 244/60 (2) · USPC 244/3.23 (2)
CPCs:
None (2) · CPC B63H5/10 (2) · CPC B64C2700/6295 (2) · CPC B64C11/006 (2) · CPC B64C2001/0081 (2) · CPC F42B10/30 (2) · CPC B64C39/08 (2) · CPC B64C11/48 (2) · CPC F03D3/00 (2) · CPC Y02E10/74 (2) · CPC B64C33/02 (2) · CPC B64C3/00 (2) · CPC B64C27/54 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 51 results in range #1 to #51.

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