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Patents > IPCs : IPC B64C17/04 or IPC B64C33/00 & First filing: Yes

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Office:
Inventors:
Richard A. Engler (2)
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Applicant person:
None (2) · Richard A. Engler (2)
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Applicant is inventor:
Tech fields:
flapping (24) · ornithopter (17) · airplane (16) · frame (12) · propulsion (11) · stability (11) · design (10) · wings (8) · navigation (7) · HTA (6) · rudder (5) · propeller (5) · hybrid (5) · Human-powered (5) · sustentation (4) · control (4)
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None (7)
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