Drilldown: Patents

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Patents > Applicant is inventor: Yes & National tech categories : USPC 244/22 or USPC 244/224

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Office:
Inventors:
Charles I MATSON (2) · Bartholomew Connolly (2) · Julius Uherkovich de Uherkócz (2) · Frederick William Brearey (2) · Ruter William Springer (2)
Inventor country:
Applicant person:
None (5) · MATSON Charles I (2) · Julius Uherkovich de Uherkócz (2) · Bartholomew Connolly (2) · Ruter William Springer (2)
Applicant type:
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Tech fields:
flapping (29) · frame (22) · propulsion (21) · None (20) · ornithopter (20) · navigation (15) · airplane (11) · propeller (11) · rudder (10) · airfoil (7) · hybrid (7) · parachute (6) · wings (6) · aerodrome (5) · stability (5) · car (4) · wheels (4) · takeoff (4) · marine (4) · landing (4)
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None (10)
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Related to aircraft:
National tech categories: (Click arrow to add another value)
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Citations from after 1930:
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