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Patents > Inventor location: None & National tech categories : USPC 244/90R or USPC 244/97

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Office:
Inventors:
Ralph Hazlett Upson (3) · Glenn Hammond Curtiss (2) · Alexander Graham Bell (2) · Rexford M. Smith (2) · Edson F. Gallaudet (2) · Walter L. MARR (2) · Mario Schiavone (2) · Joseph A Goodwin (2)
Inventor country:
Inventor location: (Click arrow to add another value)
Applicant person:
None (13) · Walter L Marr (2) · Joseph A Goodwin (2) · Mario Schiavone (2) · Edson F. Gallaudet (2) · Rexford M. Smith (2)
Applicant is inventor:
Tech fields:
None (37) · airplane (25) · stability (21) · LTA (20) · navigation (19) · frame (19) · balloon (12) · rudder (7) · control (7) · wheels (6) · propulsion (6) · airfoil (5) · aileron (5) · automatic stability (4) · design (4) · piloting (4) · hydrogen (4) · gas (4)
Full specification filed date:
Application number:
None (9)
Granted:
Publication date:
Related to aircraft:
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C13/00 (30) · CPC B64B1/62 (13) · CPC B64C2700/6295 (7) · CPC B64C17/00 (6) · CPC B64C3/385 (5) · CPC B64B1/00 (4) · CPC B64C13/24 (4) · CPC Y10S244/904 (3) · None (2) · CPC Y02T50/10 (2) · CPC B64C35/00 (2) · CPC B64C3/14 (2) · CPC B64C9/38 (2) · CPC B64B1/40 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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