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Patents > IPCs : IPC B63H1/16 or IPC B64C33/00 & Number of text pages: 2-3

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Inventors:
Lin-Marius Mannent (2) · Julius Uherkovich de Uherkocz (2) · Louis-Marie Le Dantec (2) · Franz Xaver Wels (2) · Henry Mesinger (2)
Inventor country:
Applicant person:
None (3) · Franz Xaver Wels (2) · Lin-Marius Mannent (2) · Louis-Marie Le Dantec (2) · Henry Mesinger (2) · Julius Uherkovich de Uherkócz (2)
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Tech fields:
flapping (24) · ornithopter (14) · None (13) · propulsion (12) · frame (11) · airplane (9) · human-powered (8) · hybrid (8) · navigation (7) · stability (7) · wings (6) · design (6) · lift (4) · glider (3) · HTA (3) · Construction (3) · rudder (3)
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None (12)
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Citations from after 1930:
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