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Patents > Office: FR & Tech fields : Airship or propulsion

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Supplementary to patent:
None (491) · Patent FR-1910-423792 (4) · Patent FR-1908-407090 (4) · Patent FR-1881-142748 (3)
Related to aircraft:
Patent agent:
None (221) · Armengaud jeune (44) · None (27) · Lavoix et Mosès (17) · J. Bonnet-Thirion (13) · L. Chassevent (13) · Dom. Casalonga (12) · Chassevent (12) · G. de Mestral et F. Harlé (12) · J. Germain (11) · E. Blétry (11) · de Bongé (10) · Schwab (10) · Brandon frères (10) · Weismann et Marx (9) · Charles Dony (8) · Desnos (7) · Y. Rabilloud et fils (7) · Armengaud aîné (6)
IPCs:
None (238) · IPC B64C11/00 (60) · IPC B64B1/00 (59) · IPC B64C39/00 (58) · IPC B64C23/00 (28) · IPC B64C27/04 (18) · IPC B64B1/58 (17) · IPC B63H1/12 (16) · IPC B64C33/02 (15) · IPC B64D27/00 (12) · IPC B64D35/04 (9) · IPC B64C11/16 (8) · IPC B64C33/00 (7) · IPC B64C17/00 (7)
CPCs:
None (225) · CPC B64B1/00 (58) · CPC B64C11/006 (46) · CPC B64C39/00 (37) · CPC B64C23/005 (29) · CPC B64C2700/6274 (21) · CPC B64C2700/6295 (19) · CPC B64B1/58 (17) · CPC B64C33/02 (16) · CPC B64C2700/6281 (13) · CPC B64C27/04 (12) · CPC B64C11/00 (12) · CPC B64D27/00 (11) · CPC B64C39/005 (11) · CPC B64D35/04 (10) · CPC B64C11/16 (9) · CPC B63H1/26 (8) · CPC B64C33/00 (8) · CPC B64C17/00 (7) · CPC B63H1/12 (7)
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Citations from after 1930:
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