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Patents > Office : DE or FR & Tech fields : navigation or propellers & Related to aircraft: Yes

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Supplementary to patent:
None (421) · Patent FR-1841-9265 (6) · Patent FR-1908-405961 (5) · Patent FR-1910-423792 (4) · Patent FR-1908-407090 (4) · Patent FR-1881-142748 (3) · Patent FR-1910-424987 (3) · Patent FR-1910-414695 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (275) · Armengaud jeune (51) · G. de Mestral et F. Harlé (13) · E. Blétry (12) · L. Chassevent (11) · Chassevent (11) · None (10) · Hippolyte Josse (8) · J. Bonnet-Thirion (8) · de Bongé (8) · Schwab (8) · Desnos (7) · Charles Dony (7) · H. Bœttcher fils (7) · Y. Rabilloud et fils (7) · Boramé et Julien (6) · Charles Assi (6) · Weismann et Marx (6) · Dom. Casalonga (6)
IPCs:
None (262) · IPC B64B1/00 (43) · IPC B64C11/00 (37) · IPC B64C39/00 (30) · IPC B64C1/00 (17) · IPC B64C33/02 (17) · IPC B64C23/00 (17) · IPC B64C17/00 (16) · IPC B64C11/04 (16) · IPC B64C27/04 (12) · IPC B64C11/16 (10) · IPC B64C11/20 (10) · IPC B64B1/58 (10) · IPC B63H1/12 (9) · IPC B64C3/38 (9) · IPC CPC B64C13/00 (8) · IPC B64C3/52 (7) · IPC B64C13/00 (6)
CPCs:
None (247) · CPC B64B1/00 (45) · CPC B64C11/006 (23) · CPC B64C39/00 (21) · CPC B64C23/005 (18) · CPC B64C17/00 (17) · CPC B64C33/02 (17) · CPC B64C2700/6274 (17) · CPC B64C11/04 (16) · CPC B64C13/00 (15) · CPC B64C2700/6295 (14) · CPC B64C11/16 (12) · CPC B64B1/58 (10) · CPC B64C2700/6281 (9) · CPC B64C2700/6218 (9) · CPC B64C11/00 (9) · CPC B64C3/52 (8) · CPC B63H1/26 (8) · CPC B64C11/205 (6) · CPC B64C27/04 (6)
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Citations from after 1930:
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