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Patents > CPCs : CPC B64C33/00 or CPC Y02T50/14 & First filing: Yes

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Office:
Inventors:
Gotthold Gysi-Jakob (2) · Richard A. Engler (2) · Rudolph G. Dressler (2)
Inventor country:
Applicant person:
None (3) · Richard A. Engler (2) · Gotthold Gysi-Jakob (2) · Rudolph G. Dressler (2) · Édouard Favre (2)
Applicant type:
Applicant is inventor:
Tech fields:
ornithopter (25) · flapping (24) · None (21) · hybrid (13) · propulsion (12) · frame (12) · wings (11) · airplane (11) · design (9) · stability (7) · takeoff (7) · navigation (6) · wheels (6) · rudder (5) · propeller (5) · human-powered (5) · control (4) · glider (4) · HTA (4)
Full specification filed date:
Application number:
None (10)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (33) · none (5) · Munn & Co. (3) · H. C. Evert & Co. (2) · Weismann et Marx (2) · Victor J. Evans (2) · C. Blétry (2) · H. B. Willson & Co. (2)
CPCs: (Click arrow to add another value)
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Cites these patents:
Citations from after 1930:
Number of diagram pages:

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