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Patents > Publication date: 1912 & National tech categories : FR 5.3 or FR 6.4

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None (216) · Patent FR-1908-397350 (2) · Patent FR-1910-418630 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent IT-1911-Darbesio (2) · Patent FR-1909-420322 (2) · Patent FR-1910-429307 (2) · Patent FR-1911-430799 (2)
Related to aircraft:
Patent agent:
Armengaud jeune (36) · none (33) · None (28) · L. Chassevent (20) · J. Bonnet-Thirion (14) · Dupont et Elluin (14) · Charles Dony (12) · Hippolyte Josse (12) · E. Blétry (10) · H. Boettcher fils (9) · Schwab (9) · Brandon frères (7) · Weismann et Marx (6) · Dom. Casalonga (5) · Societe A. Frey et de Carsalade (5) · Gaston Rose (5) · de Bongé (5)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C17/00 (75) · IPC B64C1/00 (54) · IPC B64C39/00 (47) · IPC B64C25/00 (15) · IPC B64D17/00 (12) · IPC B64C11/00 (11) · None (10) · IPC B64C3/56 (10) · IPC B64C3/00 (10) · IPC B64C23/00 (10) · IPC B64C3/38 (9) · IPC B64C33/02 (8) · IPC B64B1/00 (8) · IPC B64C35/00 (8) · IPC B64D17/54 (6) · IPC B64B1/58 (5) · IPC B64C17/06 (5) · IPC F41G3/24 (4)
CPCs:
CPC B64C17/00 (80) · CPC B64C39/00 (42) · CPC B64C2700/6295 (29) · CPC B64C2700/6218 (21) · CPC B64C2700/6214 (15) · CPC B64C25/06 (13) · CPC B64C2700/6212 (12) · CPC B64C2700/6219 (12) · CPC B64F2700/6226 (12) · CPC B64D17/00 (10) · CPC B64C3/56 (10) · CPC B64C3/00 (10) · CPC B64C1/00 (9) · CPC B64C23/005 (9) · CPC B64C2700/6274 (8) · CPC B64C33/02 (8) · CPC B64C11/006 (8) · CPC B64B1/00 (8) · CPC B64C3/385 (7)
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