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Patents > CPCs : CPC B64B1/58 or CPC B64C39/00 & First filing: Yes

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None (154) · LTA (88) · airplane (83) · design (44) · frame (42) · stability (30) · propulsion (30) · wings (27) · construction (25) · balloon (23) · Navigation (20) · aerodynamics (20) · lift (17) · propellers (16) · Whole (16) · airship (15) · control (15) · dirigible (12)
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None (182) · None (20) · Armengaud jeune (15) · Marks & Clerk (12) · L. Chassevent (5) · Schwab (5) · Weismann et Marx (5) · Lavoix et Mosès (5) · Boramé et Julien (4) · Chassevent (4) · Haseltine, Lake & Co. (4) · G. de Mestral et F. Harle (4) · J. Bonnet-Thirion (4) · Dom. Casalonga (4)
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None (193) · FR 6.4 (158) · DE 77h.4 (9) · USPC 244/126 (4) · DE 77 (3) · USPC 244/13 (3) · DE 77h.15 (3) · GB 4 aërostats (3) · FR 6.3 (2) · USPC 244/91 (2) · USPC 244/61 (2) · FR 6.1 (2) · USPC 244/128 (2) · DE 77h.5 (2)
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