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Patents > Patent agent: None & CPCs : CPC B64C13/00 or CPC B64C39/00 & First filing: Yes

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None (214) · airplane (40) · stability (28) · control (25) · navigation (23) · frame (21) · design (19) · rudder (13) · Automatic stability (10) · propellers (9) · wings (9) · steering (8) · aerodynamics (8) · construction (7) · propulsion (6) · HTA (5) · fuselage (5) · wheels (5)
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None (158) · USPC 244/90R (23) · FR 6.4 (23) · USPC 244/233 (16) · USPC 244/78.1 (10) · USPC 244/225 (8) · USPC 244/87 (7) · USPC 244/231 (6) · USPC 244/234 (6) · DE 77h.5 (5) · USPC 244/88 (4) · USPC 244/232 (4) · USPC 244/237 (4) · USPC 244/100R (4) · USPC 244/80 (4) · USPC 244/82 (4) · USPC 244/104R (3) · USPC 244/119 (3)
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