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Patents > Office : GB or US & CPCs: CPC B64C13/00

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Office: (Click arrow to add another value)
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Tech fields:
None (169) · Airplane (67) · control (60) · stability (56) · navigation (40) · rudder (39) · frame (32) · steering (26) · wings (18) · design (15) · automatic stability (13) · propellers (10) · construction (10) · aeroplane (9) · Aerodynamics (9) · LTA (8) · airfoil (7) · wheels (7) · aileron (7) · subsystem (7)
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Patent agent:
None (207) · Munn & Co. (10) · Brewer & Son (9) · Marks & Clerk (8) · Haseltine, Lake & Co. (7) · Abel & Imray (4) · Boult, Wade & Tennant (4) · Brierley & Howard (4) · Noyes & Harriman‎ (3) · Brierley & Appleyard (3) · C. C. Hines (2) · Howard P. Denison (2) · G. F. Redfern & Co.‎ (2) · Carpmaels, Radford & Newton (2) · R. S. & A. B. Lacey (2) · W. P. Thompson & Co. (2) · Victor J. Evans (2)
National tech categories:
None (147) · USPC 244/233 (36) · USPC 244/90R (32) · USPC 244/78.1 (17) · USPC 244/87 (13) · USPC 244/82 (13) · USPC 244/234 (9) · USPC 244/231 (9) · USPC 244/225 (9) · USPC 244/88 (8) · USPC 244/237 (8) · USPC 244/100R (6) · USPC 244/89 (6) · USPC 244/232 (6) · USPC 244/80 (6) · USPC 244/119 (5) · USPC 244/35R (4) · USPC 244/104R (3) · USPC 244/48 (3) · USPC 244/222 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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