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Patents > National tech categories : FR 20.4 or USPC 244/22 or USPC 244/45R

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Office:
Inventors:
Andrew Gaul, Jr. (3) · Benjamin Talbot Babbitt Hyde (3) · William Whitney Christmas (2) · Ruter William Springer (2) · Bartholomew Connolly (2) · Charles I MATSON (2) · Julius Uherkovich de Uherkócz (2) · Ralph P. Fox (2) · Frederick William Brearey (2)
Inventor country:
Applicant person:
None (7) · Andrew Gaul, Jr. (3) · Benjamin Talbot Babbitt Hyde (3) · Julius Uherkovich de Uherkócz (2) · MATSON Charles I (2) · Ruter William Springer (2) · Bartholomew Connolly (2) · Ralph P. Fox (2)
Applicant is inventor:
Tech fields:
None (49) · frame (34) · flapping (31) · airplane (25) · stability (24) · Propulsion (24) · ornithopter (23) · airfoil (17) · navigation (17) · propeller (16) · rudder (13) · wings (10) · parachute (9) · wheels (8) · hybrid (8) · safety (6) · aerodrome (6)
Full specification filed date:
Application number:
None (18)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (49) · Munn & Co. (7) · Victor J. Evans (5) · None (5) · C. A. Snow & Co. (4) · A. M. Wilson (2) · B. Singer (2) · Geo. H. Strong (2) · F. N. Gillent (2) · Foster, Freeman, Watson & Coit (2)
National tech categories: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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