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Patents > Tech fields : lift or navigation & Number of text pages: 1-2

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Supplementary to patent:
None (294) · Patent FR-1908-392672 (10) · Patent FR-1907-373818 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent FR-1909-410848 (3)
Related to aircraft:
Patent agent:
None (177) · Armengaud jeune (34) · None (13) · E. Blétry (11) · G. de Mestral et F. Harlé (9) · Munn & Co. (7) · Hippolyte Josse (6) · Boult, Wade & Tennant (5) · J. Bonnet-Thirion (5) · L. Chassevent (5) · Marks & Clerk (5) · J. Germain (4) · Charles Dony (4) · R. S. & A. B. Lacey (4) · Brandon frères (4) · Dom. Casalonga (4)
National tech categories:
FR 6.4 (152) · None (50) · AT 77d (24) · FR 6.3 (24) · DE 77 (16) · HU V/h (14) · DE 77h.5 (12) · DK 77 (9) · USPC 244/30 (7) · DE 77h (6) · DE 77h.15 (6) · FR 6.2 (5) · USPC 244/66 (5) · USPC 244/70 (5) · USPC 244/46 (4) · USPC 244/51 (4) · USPC 244/12.1 (4) · USPC 244/233 (4)
IPCs:
None (152) · IPC B64B1/00 (41) · IPC B64C39/00 (25) · IPC B64C3/38 (16) · IPC B64C11/00 (13) · IPC B64C1/00 (12) · IPC B64C3/52 (11) · IPC B64C17/00 (11) · IPC B64C13/00 (11) · IPC B64C3/54 (10) · IPC B64C23/00 (10) · IPC B64B1/58 (10) · IPC B64C3/00 (8) · IPC CPC B64C13/00 (8) · IPC B64C13/04 (7) · IPC B64C33/02 (6) · IPC B64B1/40 (6) · IPC B64C27/04 (5) · IPC B64C33/00 (5) · IPC B64B1/62 (5)
CPCs:
None (89) · CPC B64B1/00 (46) · CPC B64C13/00 (31) · CPC B64C39/00 (21) · CPC B64C23/005 (21) · CPC B64C2700/6295 (19) · CPC B64C3/385 (15) · CPC B64C17/00 (15) · CPC B64C3/52 (11) · CPC B64C39/005 (10) · CPC B64B1/58 (9) · CPC B64C33/02 (8) · CPC B64C3/54 (8) · CPC B64C11/006 (7) · CPC B64B1/40 (7) · CPC B64C3/00 (7)
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