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Patents > IPCs : IPC B64C13/00 or IPC B64C33/00 & Number of diagram pages: 3-20000000

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Office:
Inventors:
Richard A. Engler (2) · Julius Uherkovich de Uherkócz (2)
Inventor country:
Applicant person:
Julius Uherkovich de Uherkócz (2) · Richard A. Engler (2)
Applicant is inventor:
Tech fields:
airplane (13) · flapping (12) · ornithopter (12) · control (11) · frame (11) · stability (10) · rudder (8) · wings (7) · propulsion (6) · design (6) · lift (5) · subsystem (4) · propeller (4) · navigation (4) · HTA (4) · None (4) · sustentation (3) · cables (3) · hybrid (3)
Full specification filed date:
Application number:
None (4)
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Publication date:
Related to aircraft:
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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