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Patents > National tech categories : USPC 244/139 or USPC 244/22

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Office:
Inventors:
None (17) · Robert P. Hall (2) · Frederick William Brearey (2) · Ruter William Springer (2) · Charles I MATSON (2) · Julius Uherkovich de Uherkocz (2) · Bartholomew Connolly (2) · John Newton Williams (2)
Inventor country:
Applicant person:
None (25) · Bartholomew Connolly (2) · Julius Uherkovich de Uherkócz (2) · MATSON Charles I (2) · Robert P. Hall (2) · Ruter William Springer (2) · John Newton Williams (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (50) · frame (30) · flapping (29) · propulsion (27) · ornithopter (20) · airplane (17) · propeller (17) · parachute (16) · navigation (16) · rudder (14) · safety (11) · stability (10) · airfoil (8) · landing (8) · hybrid (8) · marine (7) · wings (7) · car (5) · wheels (5) · aerodrome (5)
Full specification filed date:
Application number:
None (30)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (75) · C. A. Snow & Co. (3) · Munn & Co. (3) · Victor J. Evans (3) · None (2) · F. N. Gillent (2) · Knight Bros. (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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