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Patents > National tech categories : USPC 423/656 or None & IPCs: None

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Inventor country:
None (2370) · US (1377) · FR (928) · GB (655) · DE (382) · IT (62) · AT (55) · CA (51) · CH (46) · BE (35) · AU (29) · RU (29) · HU (28) · NZ (26) · NO (19) · SE (16) · ES (14) · NL (13) · AH (9)
Applicant firm:
None (5921) · Curtiss Aeroplane (40) · Vickers (16) · Dornier Metallbauten (9) · Société des Avions Louis Bréguet (9) · Motorluftschiff Studiengesellschaft m.b.H (8) · Société anonyme Astra AB (8) · Établissements de Dion-Bouton (7) · Tarbox Safety Aircraft Company (6) · Curtiss Aeroplane and Motor Corporation (5) · British and Colonial Aeroplane Co. (5) · Luft-Verkehrs-Gesellschaft m.b.H. (4) · Société anonyme des Constructions Aériennes Rossel-Peugeot (4) · Sperry Gyroscope Company (4) · Société Antoinette (3) · Sopwith Aviation (3) · Curtiss Aeroplane & Motor Corporation (3)
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Assigned to:
None (6009) · 1 (26) · Curtiss Aeroplane (7) · Curtiss Aeroplane and Motor Corporation (5) · Sperry Gyroscope Company (4) · Goodyear Tire and Rubber Company (3) · Curtiss Aeroplane & Motor Corporation (3) · Syracuse, NY (2) · Magneso Calcite Fire-Proof Company (2) · Westinghouse Air Spring Company (2) · Aeroplane Destroyer Company (2) · Rupert G. Bryant (2) · Dewey Corporation (2) · General Electric Company (2)
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Cites these patents:
None (6101) · USPC 244/87 (2) · Patent GB-1901-346 (2) · USPC 244/48 (2) · Patent GB-1914-23502 (2)
Citations from after 1930:

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