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Patents > Inventor country: US & Citations from after 1930: 3-4 & Number of text pages: 2

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Office:
Inventors:
Francis J. Plym (2) · Joseph Vanorio (2) · Spencer Heath (2)
Inventor country: (Click arrow to add another value)
Applicant person:
Francis J. Plym (2) · Spencer Heath (2)
Applicant type:
Applicant is inventor:
Tech fields:
propeller (10) · frame (8) · rudder (7) · military (6) · None (5) · airfoil (4) · propulsion (4) · construction (4) · kite (4) · takeoff (3) · projectile (3) · parachute (3) · navigation (3) · landing (3) · helicopter (3) · LTA (3) · airplane (3) · balloon (3)
Full specification filed date:
Granted:
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Supplementary to patent:
Related to aircraft:
Patent agent:
None (6) · Munn & Co. (6) · None (4) · George Thorpe (2) · Victor J. Evans (2) · Joshua R. H. Potts (2) · H. C. Evert & Co. (2) · Joseph F. O'Brien (2)
National tech categories:
None (22) · USPC 244/3.23 (3) · USPC 244/153R (3) · USPC 244/64 (2)
CPCs:
CPC F42B10/30 (3) · CPC A63H27/08 (3) · CPC B64C27/463 (3) · CPC F05B2260/96 (3) · CPC Y02E10/74 (3) · CPC B64C2700/6295 (3) · CPC B64C11/006 (2) · CPC B64C13/00 (2) · CPC B64C11/48 (2) · CPC B64C27/54 (2) · CPC B64C11/06 (2) · CPC B64C3/00 (2) · CPC B64C27/82 (2) · CPC B64C39/08 (2) · CPC F03D3/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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