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Patents > Office: FR & Tech fields : Lift or propellers

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None (326) · Patent FR-1908-392672 (10) · Patent FR-1841-9265 (6) · Patent FR-1908-405961 (5) · Patent FR-1910-423792 (4) · Patent FR-1908-407090 (4) · Patent FR-1910-424987 (3) · Patent FR-1910-414695 (3) · Patent FR-1909-410848 (3)
Related to aircraft:
Patent agent:
None (100) · Armengaud jeune (82) · None (27) · E. Blétry (21) · J. Bonnet-Thirion (17) · G. de Mestral et F. Harlé (16) · Weismann et Marx (14) · Schwab (13) · L. Chassevent (13) · J. Germain (12) · Charles Dony (11) · De Bongé (11) · Dom. Casalonga (10) · Lavoix et Mosès (10) · Hippolyte Josse (9) · Dupont et Elluin (9) · Boramé et Julien (9) · C. Blétry (8) · Charles Assi (8)
IPCs:
IPC B64C39/00 (61) · None (53) · IPC B64C11/00 (48) · IPC B64C1/00 (31) · IPC B64C23/00 (31) · IPC B64C17/00 (28) · IPC B64C27/04 (20) · IPC B63H1/12 (19) · IPC B64C11/04 (17) · IPC B64B1/00 (16) · IPC B64C11/20 (14) · IPC B64C3/38 (13) · IPC B64C3/52 (13) · IPC B64C11/16 (13) · IPC B64C3/54 (12) · IPC B64C33/02 (12) · IPC B64D35/04 (11) · IPC B64C13/00 (8) · IPC B64C3/48 (8) · IPC B64D27/00 (7)
CPCs:
CPC B64C39/00 (51) · None (44) · CPC B64C11/006 (32) · CPC B64C23/005 (31) · CPC B64C17/00 (29) · CPC B64C2700/6295 (28) · CPC B64C2700/6274 (25) · CPC B64C11/04 (17) · CPC B64C2700/6218 (16) · CPC B64B1/00 (16) · CPC B64C11/16 (15) · CPC B64C3/52 (13) · CPC B64C33/02 (13) · CPC B64C2700/6281 (12) · CPC B63H1/26 (12) · CPC B64D35/04 (12) · CPC B64C11/00 (12) · CPC B64C3/385 (11) · CPC B64C27/04 (11) · CPC B64C3/54 (10)
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