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Patents > Citations from after 1930: 3-2000 & Number of diagram pages: 2 & Number of figures: 2-6

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Office:
Inventors:
Charles J. Jones (2) · Spencer Heath (2) · Francis J. Plym (2)
Inventor country:
Applicant person:
Spencer Heath (2) · Francis J. Plym (2) · Charles J. Jones (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (10) · propeller (9) · frame (8) · kite (5) · windmill (5) · helicopter (4) · propulsion (4) · LTA (4) · airplane (4) · airfoil (4) · safety (3) · military (3)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
Victor J. Evans (3) · None (2) · Fraentzel and Richards (2) · Munn & Co. (2) · None (2) · C. A. Snow & Co. (2)
National tech categories:
None (22) · USPC 244/153R (3) · USPC 416/98 (2) · USPC 244/33 (2)
CPCs:
CPC Y02E10/74 (5) · CPC F03D3/00 (4) · CPC B64C2700/6295 (3) · CPC B64C27/82 (3) · CPC A63H27/08 (2) · CPC B64C11/343 (2) · CPC B64C39/08 (2) · CPC F01D5/06 (2) · CPC B64C3/14 (2) · CPC B64C3/00 (2) · CPC B64C2700/6233 (2) · CPC B64C27/54 (2) · CPC F05B2260/74 (2) · CPC B64C9/38 (2) · CPC B64C11/00 (2) · CPC Y02E10/72 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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