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Patents > Inventor country: US & Citations from after 1930: 3-4 & Number of diagram pages: 1-2

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Office:
Inventors:
Spencer Heath (2) · Joseph Vanorio (2) · David M. Mefford (2) · Charles J. Jones (2) · Francis J. Plym (2) · Charles B. Kirkham (2)
Inventor country: (Click arrow to add another value)
Applicant person:
Francis J. Plym (2) · David M. Mefford (2) · Spencer Heath (2) · Charles B. Kirkham (2) · Charles J. Jones (2)
Applicant type:
Applicant is inventor:
Tech fields:
propeller (15) · None (12) · frame (11) · military (10) · projectile (8) · airplane (7) · kite (6) · LTA (5) · airfoil (5) · stability (5) · rudder (5) · parachute (4) · construction (4) · helicopter (4)
Full specification filed date:
Application number:
None (40)
Granted:
Publication date:
Supplementary to patent:
Related to aircraft:
Patent agent:
None (11) · Munn & Co. (9) · None (7) · John P. Tarbox (3) · Joseph F. O'Brien (2) · A. O. Behel (2) · H. C. Evert & Co. (2) · George Thorpe (2) · Fraentzel and Richards (2) · C. A. Snow & Co. (2) · W. J. FitzGerald & Co. (2) · Victor J. Evans (2)
National tech categories:
None (40) · USPC 244/3.23 (6) · USPC 244/153R (5) · USPC 416/113 (2) · USPC 244/225 (2) · USPC 244/63 (2) · USPC 244/17.11 (2) · USPC 244/64 (2) · USPC 244/147 (2) · USPC 244/97 (2) · USPC 244/119 (2)
CPCs:
CPC Y02E10/74 (5) · CPC A63H27/08 (5) · CPC F42B10/30 (4) · CPC F05B2260/96 (3) · CPC B64C11/006 (3) · CPC B64C2700/6295 (3) · CPC F03D3/00 (3) · CPC B64C27/463 (3) · CPC F05B2260/74 (3) · CPC B64C13/00 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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