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Patents > Related to aircraft : .5? or 1911-07-04 or Yes or flapping & CPCs : CPC B64B1/00 or CPC B64C2700/6256 or None & Number of diagram pages: None

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Applicant is inventor:
Application number:
None (2463) · propeller (2)
Granted:
Supplementary to patent:
None (2349) · Patent BE-1909-214032 (33) · Patent FR-1841-9265 (6) ·   (5) · Patent DE-1908-221549 (5) · Patent BE-1907-199348 (4) · Patent FR-1881-142748 (3) · Patent FR-1880-139386 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (2251) · A. Wunderlich & Cie, Ingénieurs-Conseils (40) · Armengaud jeune (16) · Desnos (15) · Blétry aîné (12) · Raclot (11) · Chassevent (10) · Armengaud aîné (10) · Société Marillier et Robelet (8) · Société Louis Gudman et Cie (7) · Dieuaide (7) · Dumas (6) · Casalonga (6) · E. et G. Bede (6) · Thirion (6) · J. Gevers (5) · Armand Ricordeau (5) · De Visscher et Graetz (5)
National tech categories:
None (1615) · FR 6.3 (273) · BE K (127) · FR 5 (108) · FR 6.4 (75) · FR 6 (27) · GB 4 with buoyant (21) · USPC 244/139 (19) · HU V/h (18) · USPC 244/147 (17) · USPC 244/142 (15) · USPC 244/30 (13) · USPC 244/153R (13) · GB 4 propel & steer (12) · GB 4 without buoyant (11) · USPC 244/53A (9) · USPC 244/149 (8) · FR 6.2 (8) · FR 3 (7)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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