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Patents > Supplementary to patent : Patent DE-1910-05-25 Richard Blum or None & CPCs: CPC B64C33/00

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Office:
Inventors:
Melvin David Compton (2) · Rudolph G. Dressler (2) · Richard A. Engler (2)
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Applicant person:
None (9) · Richard A. Engler (2) · Melvin David Compton (2) · Rudolph G. Dressler (2)
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Tech fields:
None (47) · flapping (25) · ornithopter (17) · propulsion (16) · airplane (15) · frame (14) · wings (12) · hybrid (12) · design (10) · stability (9) · rudder (7) · propeller (7) · wheels (6) · takeoff (6) · navigation (6) · human-powered (6) · HTA (6) · LTA (5) · lift (5)
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None (13)
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