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Patents > Patent agent: None & CPCs : CPC B64B1/00 or CPC B64C13/00 or CPC B64C39/00 & First filing: Yes

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None (311) · LTA (89) · Airplane (48) · navigation (44) · frame (42) · Stability (38) · propulsion (35) · design (30) · control (29) · rudder (21) · propeller (19) · balloon (18) · airship (17) · safety (15) · propellers (12) · hybrid (12) · dirigible (12) · Wings (12)
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None (239) · FR 6.4 (37) · USPC 244/30 (29) · USPC 244/90R (22) · USPC 244/233 (16) · USPC 244/26 (12) · USPC 244/78.1 (10) · USPC 244/225 (8) · USPC 244/234 (7) · USPC 244/25 (7) · USPC 244/87 (7) · DE 77h.2 (7) · USPC 24/713.8 (6) · DE 77 (6) · USPC 244/125 (6) · USPC 244/231 (6)
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