Drilldown: Patents

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Patents > Inventor country : FR or US & Citations from after 1930: 3

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Office:
Inventors:
Alfred John Macy (2) · David M. Mefford (2) · Spencer Heath (2)
Inventor country: (Click arrow to add another value)
Applicant person:
Alfred John Macy (2) · David M. Mefford (2) · Spencer Heath (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (7) · Propeller (7) · frame (6) · stability (6) · propulsion (6) · LTA (6) · airplane (5) · rudder (5) · projectile (5) · military (4) · navigation (4) · airfoil (4) · helicopter (4) · kite (3) · landing (3) · parachute (3) · ornithopter (3) · aerial propeller (3)
Full specification filed date:
Application number:
None (23)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (9) · None (6) · Munn & Co. (4) · Victor J. Evans (2) · H. C. Everett Co. (2)
National tech categories:
None (17) · USPC 244/3.23 (4) · USPC 244/119 (3) · USPC 244/153R (3) · USPC 244/62 (2) · USPC 244/22 (2) · USPC 244/17.21 (2) · USPC 244/17.11 (2) · USPC 244/25 (2)
CPCs:
CPC B64B1/00 (4) · CPC B64C33/02 (4) · CPC A63H27/08 (3) · CPC B64C17/00 (3) · CPC B64C27/82 (3) · CPC F42B10/30 (3) · CPC Y02E10/74 (2) · CPC B64C13/00 (2) · CPC F01D5/06 (2) · CPC B64C11/00 (2) · CPC Y10S200/29 (2) · CPC B64C11/16 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 65 results in range #1 to #65.

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