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Patents > Office: US & Inventor country: US & Applicant person : Arthur Waldemar Schaef or Horace Leonard Short or None & Applicant type: INDIV & Citations from after 1930: None

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Office: (Click arrow to add another value)
Inventors:
Ralph Hazlett Upson (4) · Albert Francis Zahm (3) · William R. Manley (2) · Elmer Ambrose Sperry (2) · Melvin Vaniman (2) · Burrell Cannon (2) · Herman T. Kraft (2)
Inventor country: (Click arrow to add another value)
Applicant person: (Click arrow to add another value)
Applicant type: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (27) · LTA (27) · propeller (26) · frame (24) · navigation (18) · propulsion (17) · marine (17) · rudder (14) · stability (13) · wheels (12) · flapping (11) · takeoff (10) · balloon (10) · hybrid (9) · safety (9) · landing (9) · parachute (8) · piloting (7) · None (6)
Full specification filed date:
Application number:
None (50)
Granted:
Publication date:
Related to aircraft:
National tech categories:
None (25) · USPC 244/28 (6) · USPC 244/97 (4) · USPC 244/3.23 (4) · USPC 244/13 (3) · USPC 33/232 (3) · USPC 24/713.8 (3)
CPCs:
CPC B64B1/00 (12) · CPC B64C11/006 (7) · None (6) · CPC B64B1/40 (5) · CPC B64C2700/6295 (5) · CPC B64C39/08 (3) · CPC B64C23/005 (3) · CPC F42B10/30 (3) · CPC Y10T24/3747 (3) · CPC B64C33/00 (3) · CPC B64C33/02 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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