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Patents > Office : ?? or AH or DEG or FR or RU & Applicant firm: None & IPCs: IPC B64C39/00

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Tech fields:
Airplane (132) · design (89) · frame (50) · Propulsion (49) · propellers (47) · wings (43) · Construction (42) · None (40) · stability (37) · Aerodynamics (36) · Lift (29) · control (25) · sustentation (24) · whole (21) · Rudder (18) · fuselage (17) · chassis (17) · heavier-than-air (16) · navigation (15) · landing (15)
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Supplementary to patent:
None (174) · Patent FR-1902-326476 (2) · Patent FR-1909-403418 (2) · Patent FR-1908-396470 (2) · Patent FR-1912-441089 (2) · Patent FR-1908-394418 (2) · Patent FR-1913-461629 (2) · Patent FR-1910-414004 (2)
Related to aircraft:
Patent agent:
None (49) · None (22) · Armengaud jeune (20) · J. Bonnet-Thirion (11) · J. Germain (10) · E. Blétry (9) · Weismann et Marx (9) · Boramé et Julien (6) · G. de Mestral et F. Harle (6) · Brandon frères (6) · L. Chassevent (6) · Y. Rabilloud et fils (6) · Dupont et Elluin (6) · Chassevent (5) · Lavoix et Mosès (4) · C. Blétry (4) · Société A. Frey et de Carsalade (4) · Ch. Mardelet (4) · Charles Assi (4)
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