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Patents > Application number : 1912738201 or airfoil or None

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None (2342) · FR (1319) · US (1148) · DE (1008) · GB (467) · BE (178) · AT (158) · IT (143) · HU (88) · CH (85) · RU (76) · AU (45) · CA (41) · ES (38) · AH (32) · SE (28) · Poland (25) · Prussia (24) · NL (23) · NZ (22)
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None (7112) · Seine (15) · Nord (12) · Paris (8) · Los Angeles (6) · Berlin (6) · Lille (6) · Pisa (5) · Minnesota (5) · Marseille (5) · London (5) · Cateau (4) · Pittsburgh (4) · Zurich (4)
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Tech fields:
None (7247) · LTA (9) · propulsion (5) · propellers (3) · motors (2) · parachute (2) · navigation (2) · wheels (2) · airplane (2)
Application number: (Click arrow to add another value)
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Assigned to:
None (7099) · Sperry Gyroscope Company (8) · Aeroplane Destroyer Company (2) · Thenen (2) · Sturtevant Aeroplane Co. (2) · Charles Spear (2) · Jules Mathieu (2) · Société Duquesne & Dockès (2) · Magneso Calcite Fire-Proof Company (2) · International Aeronautical Construction Company (2)
First filing:
Cites these patents:
None (7214) · 1 (3) · Patent US-1919-1301052 (2) · Patent GB-1901-346 (2) · Patent GB-1914-23502 (2) · 0 (2) · 1877 (2)
Citations from after 1930:
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