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Patents > Office: FR & Tech fields : Airship or Subsystem or Wings & Grant date: 1910 - 1919

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Supplementary to patent:
None (196) · Patent FR-1909-420322 (5) · Patent FR-1908-407090 (4)
Related to aircraft:
Patent agent:
None (52) · Armengaud jeune (44) · L. Chassevent (20) · E. Blétry (19) · None (19) · J. Bonnet-Thirion (16) · Weismann et Marx (16) · G. de Mestral et F. Harlé (15) · Charles Dony (11) · Hippolyte Josse (10) · Dupont et Elluin (9) · Brandon frères (7) · C. Blétry (6) · Noël et Pellegrini (5) · H. Bœttcher fils (5) · J. Fayollet (5) · Schwab (5)
Assigned to:
IPCs:
IPC B64C17/00 (44) · IPC B64C1/00 (44) · IPC B64C39/00 (32) · IPC B64C3/00 (22) · IPC B64C3/38 (18) · IPC B64C11/00 (16) · IPC B64C3/52 (13) · IPC B64B1/00 (13) · IPC B64C3/56 (12) · IPC B64C33/02 (12) · IPC B64C35/00 (9) · IPC B64C3/54 (9) · IPC B64C3/48 (9) · None (9) · IPC B64C23/00 (8) · IPC B64B1/58 (7) · IPC B64C17/06 (6) · IPC B64C25/00 (6)
CPCs:
CPC B64C17/00 (47) · CPC B64C39/00 (25) · CPC B64C3/00 (21) · CPC B64C2700/6295 (19) · CPC B64C2700/6218 (17) · CPC B64C11/006 (14) · CPC B64C3/52 (14) · CPC B64C33/02 (14) · CPC B64B1/00 (13) · CPC B64C2700/6233 (13) · CPC B64C3/385 (13) · CPC B64C3/56 (12) · CPC B64C3/48 (9) · CPC Y02T50/166 (8) · CPC B64C3/54 (8) · CPC B64C2700/6245 (8) · CPC B64C1/00 (8)
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Citations from after 1930:
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