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Patents > CPCs : CPC B64B1/40 or CPC B64C23/005 & First filing: Yes

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None (170) · LTA (80) · airplane (66) · propulsion (51) · navigation (49) · frame (44) · propeller (39) · balloon (37) · stability (37) · helicopter (36) · hybrid (32) · design (20) · parachute (17) · rudder (15) · takeoff (15) · ascension (14) · construction (13) · wings (13) · airship (13)
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None (207) · None (11) · Munn & Co. (9) · Victor J. Evans (8) · Armengaud jeune (4) · Marks & Clerk (4) · J. Bonnet-Thirion (3) · E. Bletry (3) · Boramé et Julien (3) · W. P. Thompson & Co. (3) · Paul Caquet (3)
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None (138) · FR 6.4 (66) · USPC 244/6 (45) · USPC 244/66 (20) · USPC 244/12.1 (14) · USPC 244/127 (13) · USPC 244/32 (11) · USPC 244/96 (11) · USPC 244/33 (9) · DE 77 (8) · USPC 244/31 (6) · USPC 244/80 (6) · USPC 244/60 (6) · USPC 244/100R (5) · USPC 244/139 (5) · USPC 244/99 (5) · USPC 244/48 (4)
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None (399)
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