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Patents > Supplementary to patent: None & CPCs : CPC B64C13/00 or CPC F16H1/222

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Tech fields:
None (213) · airplane (77) · control (73) · stability (54) · navigation (41) · rudder (39) · frame (31) · steering (30) · wings (13) · design (11) · automatic stability (11) · construction (10) · aileron (8) · Subsystem (7) · Propellers (7) · HTA (7) · lift (6) · LTA (6) · aerodynamics (6)
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Related to aircraft:
Patent agent:
None (217) · Munn & Co. (13) · Brewer & Son (9) · Marks & Clerk (8) · Armengaud jeune (8) · Weismann et Marx (5) · Boult, Wade & Tennant (5) · Brierley & Howard (4) · None (3) · C. C. Hines (3) · Victor J. Evans (3) · John P. Tarbox (3) · H. Bœttcher fils (3) · Haseltine, Lake & Co. (3)
National tech categories:
None (159) · FR 6.4 (52) · USPC 244/233 (34) · USPC 244/90R (31) · DE 77h.5 (16) · USPC 244/78.1 (15) · USPC 244/82 (13) · USPC 244/87 (11) · USPC 244/234 (9) · USPC 244/225 (8) · USPC 244/231 (8) · USPC 244/237 (8) · USPC 244/88 (6) · USPC 244/100R (6) · USPC 244/80 (5) · USPC 244/89 (5) · USPC 244/232 (5) · USPC 244/35R (4) · USPC 244/119 (4)
CPCs: (Click arrow to add another value)
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