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Patents > CPCs : CPC B63B2221/06 or CPC B64C11/006

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None (382) · Illinois (4) · England (2) · Seine (2) · Philadelphia (2) · Pennsylvania (2) · New York (2) · New Jersey (2) · Manhattan (2) · Basse-Pyrénées (2) · Calvados (2)
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None (190) · propulsion (90) · Propellers (43) · propeller (41) · marine (28) · paddle-wheel (24) · Airplane (17) · Windmill (16) · subsystem (13) · LTA (13) · Aerodynamics (12) · Design (12) · sustentation (12) · wings (11) · aerial propeller (11) · paddle wheel (9) · feathering (8) · Flapping (7) · lift (7) · Navigation (7)
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None (368) · Patent FR-1909-410848 (2) · Patent AU-1909-16369 (2) · Patent GB-1911-12232 (2) · Patent DE-1912-267069 (2)
Related to aircraft:
Patent agent:
None (256) · Armengaud jeune (11) · None (11) · Munn & Co. (5) · J. Bonnet-Thirion (5) · E. Blétry (4) · Y. Rabilloud et fils (4) · Boult, Wade & Tennant (3) · Lloyd Wise & Co. (3) · L. Chassevent (3)
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