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Patents > IPCs : IPC B64C11/00 or IPC B64C33/00 & Number of diagram pages: 3-20000000

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Office:
Inventors:
Alfred E. Wunderlich (2) · Julius Uherkovich de Uherkocz (2) · Richard A. Engler (2)
Inventor country:
Applicant person:
Julius Uherkovich de Uherkocz (2) · Alfred E. Wunderlich (2) · Richard A. Engler (2)
Applicant type:
Applicant is inventor:
Tech fields:
flapping (12) · Propulsion (10) · ornithopter (10) · airplane (8) · frame (8) · design (7) · propellers (6) · stability (5) · propeller (5) · navigation (5) · wings (4) · Lift (4) · sustentation (3)
Full specification filed date:
Application number:
None (3)
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Publication date:
Related to aircraft:
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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