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Patents > CPCs : CPC B64C21/02 or CPC B64C33/02 & First filing: Yes

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Office:
Inventors:
Friedrich Kopsch (4) · William Henry Kelly (3) · Robert Strehlau (3) · Lemuel Seaman Cunningham (3)
Inventor country:
Inventor location:
None (213) · Seine (8) · Chicago (3) · Cleveland (2) · London (2) · Paris (2) · St. Louis (2) · Rhône (2) · Missouri (2) · Brooklyn (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (75) · flapping (72) · ornithopter (57) · propulsion (41) · frame (37) · wings (31) · airplane (23) · navigation (17) · propeller (16) · design (12) · LTA (12) · hybrid (12) · airfoil (11) · rudder (11) · parachute (9) · construction (9) · control (9) · stability (9) · wheels (9) · aerodynamics (8)
Full specification filed date:
Application number:
None (32)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (92) · None (12) · Armengaud jeune (6) · C. A. Snow & Co. (6) · Munn & Co. (5) · Victor J. Evans (5) · J. Germain (4) · E. Blétry (4) · Chassevent (3)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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