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Patents > IPCs : IPC B27M3/10 or IPC B64C33/00 & First filing: Yes

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Office:
Inventors:
Richard A. Engler (2) · Gotthold Gysi-Jakob (2)
Inventor country:
Applicant person:
Gotthold Gysi-Jakob (2) · Richard A. Engler (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
flapping (23) · ornithopter (22) · propulsion (12) · None (9) · frame (9) · airplane (8) · wings (7) · design (7) · human-powered (6) · hybrid (6) · stability (6) · navigation (5) · propeller (5) · rudder (5) · HTA (4) · control (3) · airfoil (3) · sustentation (3) · glider (3)
Full specification filed date:
Application number:
None (7)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (21) · none (5) · Victor J. Evans (2) · Weismann et Marx (2)
IPCs: (Click arrow to add another value)
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
Number of text pages:
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Showing below up to 71 results in range #1 to #71.

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