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Patents > Filing date: 1918 & Supplementary to patent : Patent FR-1916-501550 or None

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None (583) · Curtiss Aeroplane (18) · Blackburn Aeroplane and Motor Co. (7) · Dornier Metallbauten (6) · Moteurs Salmson (5) · Rumpler-Werke A.-G. in Berlin-Johannisthal (5) · Société des Avions Louis Bréguet (5) · Westinghouse Electric & Manufacturing Company (4) · Vickers (4) · Curtiss Aeroplane and Motor Corporation (3) · Mercur Flugzeugbau (3) · Sperry Gyroscope Company (3)
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Tech fields:
None (455) · airplane (74) · construction (43) · frame (36) · control (34) · LTA (21) · wings (20) · subsystem (18) · design (18) · stability (17) · propellers (17) · fuselage (16) · propulsion (14) · structure (14) · aerodynamics (13) · propeller (11) · spars (9) · metal (9)
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Patent agent:
None (476) · John P. Tarbox (16) · None (14) · Brewer & Son (14) · A. M. & William Clark (8) · Boult, Wade & Tennant (6) · Munn & Co. (5) · Marks & Clerk (5) · Herbert H. Thompson (5) · Armengaud jeune (5) · J. Germain (4) · Haseltine, Lake & Co. (4) · Lavoix et Moses (4) · Phillipss (4) · Brandon frères (4) · H. R. Kerslake (3) · N. S. Amstutz (3) · J. S. Alford (3) · Abel & Imray (3) · Carpmaels, Radford & Newton (3)
National tech categories:
None (597) · FR 6.4 (31) · DE 77h.5 (16) · DE 77h.9 (7) · DE 77h.6 (7) · DE 77h.7 (5) · FR 12.2 (3) · DE 77h.15 (3) · USPC 244/119 (2) · USPC 244/50 (2) · USPC 244/17.21 (2) · AT 77d (2) · USPC 244/234 (2) · USPC 244/231 (2) · USPC 244/87 (2) · USPC 244/22 (2)
IPCs:
None (424) · IPC B64C3/00 (37) · IPC B64C13/00 (18) · IPC B64C1/00 (17) · IPC B64C35/00 (16) · IPC B64C3/18 (16) · IPC B64C39/00 (12) · IPC B64C25/00 (11) · IPC B64C17/00 (11) · IPC B64C11/00 (9) · IPC B64B1/00 (9) · IPC B64C1/06 (8) · IPC B64C11/04 (7) · IPC B64C11/20 (7) · IPC B64C3/26 (6) · IPC B64B1/58 (5) · IPC B64C3/38 (5) · IPC B64C13/12 (5)
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