Drilldown: Patents

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Patents > Office : BE or HU or IT or US & Related to aircraft : 0.5 or Jan 15, 1908 or Partially or None & Patent agent: None & IPCs : IPC B64C23/00 or None & Number of text pages: None

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None (1249) · military (19) · projectile (14) · frame (12) · propulsion (11) · LTA (11) · airplane (10) · navigation (9) · propeller (8) · marine (7) · kite (7) · blades (5) · Windmill (5) · stability (5) · rudder (4) · safety (4) · fun (4) · paddle-wheel (3) · control (3)
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None (1268) · USPC 244/3.23 (8) · USPC 244/153R (5) · USPC 416/128 (4) · USPC 102/371 (3) · USPC 244/65 (3) · USPC 244/3.3 (3) · USPC 244/48 (2) · USPC 244/3.28 (2) · USPC 416/109 (2) · USPC 244/3.24 (2) · USPC 244/155R (2) · USPC 244/98 (2)
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