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Patents > IPCs : IPC B64C21/10 or IPC B64C33/00 & Cites these patents: None

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Office:
Inventors:
Franz Xaver Wels (3) · Richard A. Engler (2) · Lin-Marius Mannent (2) · Henry Mesinger (2) · Julius Uherkovich de Uherkocz (2)
Inventor country:
Applicant person:
None (3) · Franz Xaver Wels (3) · Richard A. Engler (2) · Lin-Marius Mannent (2) · Henry Mesinger (2) · Julius Uherkovich de Uherkócz (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
flapping (30) · ornithopter (22) · propulsion (16) · None (15) · frame (15) · wings (13) · airplane (13) · design (11) · stability (9) · navigation (9) · hybrid (9) · human-powered (9) · HTA (8) · Lift (7) · glider (5) · rudder (5) · propeller (5) · control (4) · airfoil (4)
Full specification filed date:
Application number:
None (10)
Granted:
Related to aircraft:
Patent agent:
None (30) · None (4) · Weismann et Marx (4) · Armengaud jeune (4) · E. Blétry (3) · W. P. Thompson & Co. (2) · Brandon frères (2) · Victor J. Evans (2) · F. N. Gillent (2) · Munn & Co. (2)
IPCs: (Click arrow to add another value)
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Citations from after 1930:
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Showing below up to 86 results in range #1 to #86.

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