Drilldown: Patents

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Patents > Assigned to: None & IPCs : IPC B64B1/40 or IPC B64C25/60 or IPC B64C33/00 or IPC B64C33/02 or None & CPCs: CPC B64C2700/6295 & Family year: 1900 - 1999

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Tech fields:
None (313) · airplane (32) · frame (27) · stability (23) · rudder (13) · airfoil (12) · propeller (12) · navigation (11) · wheels (10) · marine (4) · wings (4) · automatic stability (3) · balance (3) · takeoff (3) · aerodynamics (3) · military (3) · propulsion (3)
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Patent agent:
None (312) · Victor J. Evans (3) · Marks & Clerk (3) · Munn & Co. (3) · Charles Dony (2) · C. A. Knowles (2)
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National tech categories:
None (246) · USPC 244/45R (27) · USPC 244/13 (17) · FR 6.4 (9) · USPC 244/87 (7) · USPC 244/90R (6) · USPC 244/91 (5) · USPC 244/48 (4) · USPC 244/139 (3) · USPC 244/35R (3) · USPC 244/119 (3) · USPC 244/144 (3) · USPC 244/100R (3)
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