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Patents > Year granted: 1913 & Applicant firm: None

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Tech fields:
None (524) · airplane (229) · stability (133) · frame (104) · Design (78) · wings (63) · LTA (62) · propulsion (56) · aerodynamics (53) · construction (53) · Propellers (50) · control (45) · automatic stability (40) · subsystem (38) · navigation (34) · propeller (34) · airship (29) · safety (28) · hybrid (27) · Lift (27)
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Patent agent:
None (605) · None (30) · Armengaud jeune (21) · Victor J. Evans (16) · Marks & Clerk (15) · Dupont et Elluin (10) · Munn & Co. (10) · Weismann et Marx (8) · W. P. Thompson & Co. (8) · J. Germain (8) · E. Blétry (7) · Hippolyte Josse (7) · Boult, Wade & Tennant (7) · Dom. Casalonga (7) · Herbert Haddan & Co. (7)
National tech categories:
None (399) · FR 6.4 (286) · HU V/h (56) · AT 77d (34) · USPC 244/80 (17) · USPC 244/233 (13) · DE 77h.5 (11) · USPC 244/45R (11) · BE K (9) · FR 6.2 (8) · CH 129b (8) · USPC 244/147 (7) · USPC 244/234 (7) · USPC 244/90R (7) · USPC 244/93 (6) · USPC 244/48 (6) · USPC 244/79 (6)
IPCs:
None (639) · IPC B64C17/00 (80) · IPC B64C1/00 (63) · IPC B64C39/00 (36) · IPC B64B1/00 (26) · IPC B64C35/00 (25) · IPC B64C3/38 (24) · IPC B64C11/00 (22) · IPC B64C3/00 (20) · IPC B64C33/02 (16) · IPC B64D17/00 (15) · IPC B64B1/58 (12) · IPC B64C23/00 (11) · IPC B64C13/00 (10) · IPC B64C33/00 (9) · IPC B64C3/54 (7) · IPC B64D1/04 (6) · IPC B64C17/06 (5)
First filing:
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