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Patents > National tech categories : USPC 244/22 or USPC 416/176

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Office:
Inventors:
Frederick William Brearey (2) · Ruter William Springer (2) · Julius Uherkovich de Uherkocz (2) · Charles I. Matson (2) · Bartholomew Connolly (2)
Inventor country:
Applicant person:
None (2) · Charles I. Matson (2) · Julius Uherkovich de Uherkócz (2) · Ruter William Springer (2) · Frederick William Brearey (2) · Bartholomew Connolly (2)
Applicant type:
Applicant is inventor:
Tech fields:
flapping (31) · frame (24) · ornithopter (23) · Propulsion (22) · None (18) · navigation (17) · propeller (13) · rudder (11) · airplane (10) · hybrid (8) · airfoil (7) · wings (6) · parachute (6) · stability (5) · car (5) · aerodrome (5) · takeoff (5) · marine (5) · LTA (5) · landing (5)
Full specification filed date:
Application number:
None (10)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (27) · Munn & Co. (6) · C. A. Snow & Co. (4) · None (3) · Frederick Benjamin (2) · Foster, Freeman, Watson & Coit (2) · F. N. Gillent (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

Showing below up to 83 results in range #1 to #83.

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