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Patents > Citations from after 1930: 4-7 & Number of figures: 7-40

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Office:
Inventors:
Charles F. Roper (2) · James M. H. Jacobs (2) · Henry E. Krammer (2) · Silas J. Conyne (2)
Inventor country:
Applicant person:
James M. H. Jacobs (2) · Charles F. Roper (2) · Henry E. Krammer (2) · Silas J. Conyne (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (13) · propeller (7) · airplane (5) · frame (5) · stability (4) · kite (4) · wheels (3) · LTA (3) · landing (3) · Fuselage (3) · elasticity (2) · Windmill (2) · takeoff (2) · projectile (2) · marine (2) · helicopter (2) · automatic stability (2) · aerial propeller (2)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
Victor J. Evans (3) · None (3) · Munn & Co. (2) · None (2)
National tech categories:
None (25) · USPC 244/153R (3) · USPC 244/119 (2) · USPC 244/113 (2) · USPC 244/30 (2) · USPC 244/17.15 (2) · USPC 244/233 (2) · USPC 416/119 (2)
CPCs:
CPC A63H27/08 (4) · CPC B64C17/00 (3) · CPC B64B1/00 (3) · CPC B64C35/00 (2) · CPC B64C39/005 (2) · CPC Y02E10/74 (2) · CPC B64C11/306 (2) · CPC B64C11/065 (2) · CPC B64C11/04 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 56 results in range #1 to #56.

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