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Patents > Year filed: 1910 - 1919 & CPCs : CPC B60S1/0491 or CPC B64C33/00

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Office:
Inventors:
Franz Xaver Wels (3) · John Emery Harriman, Jr. (2) · Lin-Marius Mannent (2) · Gotthold Gysi-Jakob (2) · Richard A. Engler (2)
Inventor country:
Applicant person:
Franz Xaver Wels (3) · None (2) · Richard A. Engler (2) · Gotthold Gysi-Jakob (2) · Lin-Marius Mannent (2) · John Emery Harriman, Jr. (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
ornithopter (21) · None (20) · flapping (17) · propulsion (12) · design (10) · hybrid (10) · frame (10) · wings (10) · stability (7) · airplane (7) · glider (5) · human-powered (5) · Lift (5) · HTA (4) · navigation (3) · aerodynamics (3) · takeoff (3) · rudder (3) · propeller (3)
Full specification filed date:
Application number:
None (6)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (25) · None (4) · W. P. Thompson & Co. (2) · Victor J. Evans (2) · H. B. Willson & Co. (2)
Assigned to:
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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