Drilldown: Patents

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Patents > Applicant firm: None & National tech categories : GB 4 steering or USPC 244/22

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Office:
Inventors:
Frederick William Brearey (2) · Charles I MATSON (2) · Ruter William Springer (2) · Julius Uherkovich de Uherkócz (2) · Bartholomew Connolly (2)
Inventor country:
Applicant person:
None (6) · MATSON Charles I (2) · Julius Uherkovich de Uherkócz (2) · Bartholomew Connolly (2) · Ruter William Springer (2)
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Tech fields:
flapping (30) · propulsion (23) · frame (22) · ornithopter (20) · None (19) · navigation (15) · propeller (12) · rudder (10) · airplane (9) · hybrid (8) · parachute (7) · airfoil (7) · wings (6) · aerodrome (5) · stability (5) · marine (5) · wheels (4) · takeoff (4) · landing (4) · car (4)
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None (9)
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Citations from after 1930:
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Showing below up to 82 results in range #1 to #82.

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