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Patents > Supplementary to patent : Patent FR-1912-461530 or None & Number of text pages: 7-50000000

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Tech fields:
None (112) · Airplane (81) · stability (67) · frame (59) · propulsion (41) · navigation (39) · LTA (37) · design (37) · wings (28) · propeller (23) · control (22) · rudder (21) · propellers (21) · whole (20) · construction (19) · hybrid (18) · marine (17) · automatic stability (13) · aerodynamics (12) · HTA (12)
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Patent agent:
None (128) · None (17) · Munn & Co. (13) · Marks & Clerk (10) · Brandon frères (9) · Haseltine, Lake & Co. (8) · Charles W. Hills (5) · John P. Tarbox (5) · William L. Hall (4) · Armengaud jeune (4) · E. Blétry (3) · H. D. Fitzpatrick & Co. (3) · Boult, Wade & Tennant (3) · Chassevent (3) · Poole & Brown (3) · Brewer & Son (3) · A. E. White (3) · Herbert H. Thompson (3) · 1 (3)
National tech categories:
None (146) · FR 6.4 (47) · USPC 244/80 (12) · FR 6.3 (7) · HU V/h (6) · USPC 244/177 (6) · GB 4 propel & steer (5) · USPC 244/45R (5) · USPC 244/119 (5) · USPC 244/90R (4) · USPC 244/233 (4) · USPC 244/87 (4) · CA 244/24 (4)
IPCs:
None (220) · IPC B64C17/00 (31) · IPC B64C1/00 (30) · IPC B64C39/00 (16) · IPC B64B1/00 (9) · IPC B64C23/00 (7) · IPC B64C3/00 (6) · IPC B64C3/38 (6) · IPC B64C33/00 (5) · IPC B64C17/06 (5) · IPC B64C11/00 (4) · IPC B64C27/04 (4) · IPC B64C13/24 (3) · IPC B64C13/00 (3) · IPC B64C33/02 (3)
CPCs:
None (98) · CPC B64C17/00 (47) · CPC B64C2700/6295 (20) · CPC B64C2700/6218 (17) · CPC B64B1/00 (14) · CPC B64C39/00 (13) · CPC B64C3/385 (12) · CPC B64C13/00 (12) · CPC B64C39/005 (9) · CPC B64C23/005 (9) · CPC B64C13/24 (9) · CPC B64C33/02 (8) · CPC B64C33/00 (7) · CPC B64C17/06 (6) · CPC B64C2700/6212 (6) · CPC B64C3/14 (4) · CPC B64C27/12 (4) · CPC B64C2700/6274 (4) · CPC B64C3/00 (4)
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