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Patents > Office: US & Applicant person : Anna O. Hagstedt or None

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Office: (Click arrow to add another value)
Applicant person: (Click arrow to add another value)
Applicant firm:
None (1163) · Curtiss Aeroplane (27) · Tarbox Safety Aircraft Company (10) · Westinghouse Electric & Manufacturing Company (3) · Sperry Gyroscope Company (3) · Haskelite Manufacturing Corporation (2) · General Electric Company (2) · Dewey Corporation (2) · Curtiss Aeroplane and Motor Corporation (2) · Curtiss Aeroplane and Motor Co. (2) · Société Anonyme des Établissements Nieuport (2) · Boughton Flying Machine (2)
Applicant is inventor:
Tech fields:
None (827) · LTA (95) · propulsion (79) · frame (73) · airplane (63) · propeller (63) · navigation (57) · marine (50) · stability (46) · military (42) · rudder (31) · kite (31) · parachute (26) · balloon (26) · landing (23) · projectile (23) · flapping (22) · car (21) · safety (21) · hybrid (20)
Application number:
None (1063) · navigation (7) · propeller (4) · rudder (2)
Granted:
Supplementary to patent:
None (1191) · 1 (9)
Patent agent:
None (1100) · Munn & Co. (18) · 1 (17) · John P. Tarbox (12) · 0 (3) · Herbert H. Thompson (3) · Chappell & Earl? (2) · None (2) · Joshua R. H. Potts (2) · J. Walter Douglass (2) · Henry S. Brewington (2) · H. R. Kerslake (2) · William Wallace White (2)
Assigned to:
None (1135) · 1 (17) · Curtiss Aeroplane and Motor Corporation (7) · Goodyear Tire and Rubber Company (7) · Tarbox Safety Aircraft Company (4) · Sperry Gyroscope Company (3) · Dewey Corporation (2) · Société Anonyme des Établissements Nieuport (2) · Westinghouse Electric & Manufacturing Company (2) · (1/4) (2) · International Aeronautical Construction Company (2) · Syracuse, NY (2) · Haskelite Manufacturing Corporation (2)
IPCs:
None (1112) · IPC B64B1/00 (11) · 1 (7) · IPC B64C31/00 (5) · IPC B64C31/06 (4) · IPC B64C1/00 (3) · IPC G01P3/36 (3) · IPC B64F1/06 (3) · IPC B64C11/20 (3) · IPC B64C35/00 (3) · IPC F42B10/30 (3) · IPC B64C39/00 (3)
First filing:
Citations from after 1930:

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