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Patents > Office : DE or FR & Tech fields : navigation or wings & Grant date: 1900 - 1999

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None (359) · Patent FR-1907-373818 (9) · Patent FR-1908-392672 (6) · Patent FR-1908-407090 (4) · Patent FR-1907-377174 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3)
Related to aircraft:
Patent agent:
None (127) · Armengaud jeune (83) · None (27) · G. de Mestral et F. Harlé (21) · Weismann et Marx (19) · E. Blétry (18) · J. Bonnet-Thirion (15) · Hippolyte Josse (15) · L. Chassevent (14) · Charles Dony (9) · C. Blétry (9) · Brandon frères (9) · Lavoix et Mosès (9) · Dupont et Elluin (9) · H. Bœttcher fils (7) · Louis Tailfer (7) · J. Germain (7) · Schwab (6)
IPCs:
IPC B64C39/00 (58) · IPC B64C1/00 (48) · IPC B64C17/00 (46) · IPC B64B1/00 (44) · None (35) · IPC B64C3/00 (34) · IPC B64C3/38 (30) · IPC B64C33/02 (29) · IPC B64C11/00 (22) · IPC B64C23/00 (20) · IPC B64C3/52 (19) · IPC B64C3/54 (17) · IPC B64C3/56 (15) · IPC B64B1/58 (12) · IPC B64C3/48 (11) · IPC B64C13/00 (10) · IPC CPC B64C13/00 (9) · IPC B64C33/00 (9) · IPC B64C3/18 (8)
CPCs:
CPC B64C17/00 (48) · CPC B64B1/00 (42) · CPC B64C39/00 (41) · CPC B64C33/02 (35) · CPC B64C3/00 (34) · CPC B64C2700/6295 (29) · CPC B64C3/52 (22) · CPC B64C2700/6233 (22) · CPC B64C13/00 (21) · CPC B64C3/385 (19) · CPC B64C23/005 (18) · CPC B64C2700/6218 (17) · CPC B64C3/54 (15) · CPC B64C3/56 (15) · CPC B64C11/006 (14) · CPC B64C1/00 (13) · CPC B64B1/58 (12) · CPC B64C2700/6274 (12) · CPC B64C33/00 (12) · None (12)
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