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Patents > Grant date: 1913 & Supplementary to patent : Patent GB-1912-26911 or None

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None (623) · Budapest (11) · Seine (8) · New York county (6) · New York City (6) · New York (6) · Ohio (5) · Massachusetts (5) · Paris (4) · Hampden County, Massachusetts (4) · Springfield, Massachusetts (4) · Rhône (3) · the Bronx (3)
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None (233) · airplane (170) · stability (117) · frame (70) · design (61) · control (52) · LTA (48) · wings (47) · Propulsion (46) · propellers (45) · construction (43) · navigation (36) · aerodynamics (33) · propeller (33) · automatic stability (31) · rudder (28) · Hybrid (27) · safety (25) · lift (24)
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None (340) · Victor J. Evans (21) · None (21) · Marks & Clerk (15) · Munn & Co. (12) · Armengaud jeune (10) · Dupont et Elluin (9) · H. Boettcher fils (7) · C. A. Snow & Co. (6) · E. Blétry (6) · Hippolyte Josse (6) · W. P. Thompson & Co. (6) · B. Singer (5) · Dom. Casalonga (5) · E. E. Vrooman (4) · Lavoix et Mosès (4) · J. Germain (4)
National tech categories:
None (223) · FR 6.4 (160) · HU V/h (31) · AT 77d (21) · USPC 244/80 (15) · USPC 244/233 (14) · USPC 244/45R (11) · USPC 244/104R (7) · USPC 244/93 (7) · USPC 244/48 (6) · USPC 244/234 (6) · USPC 244/90R (6) · USPC 244/79 (6) · USPC 244/60 (5) · USPC 244/87 (5) · USPC 244/13 (5) · USPC 244/51 (5) · USPC 244/119 (5)
IPCs:
None (400) · IPC B64C17/00 (48) · IPC B64C1/00 (32) · IPC B64C39/00 (23) · IPC B64B1/00 (19) · IPC B64C3/00 (18) · IPC B64C23/00 (15) · IPC B64C11/00 (14) · IPC B64C3/38 (13) · IPC B64C35/00 (11) · IPC B64C33/02 (8) · IPC B64C13/00 (8) · IPC B64D17/00 (7) · IPC B64C33/00 (7) · IPC B64B1/58 (6) · IPC B64C11/04 (5) · IPC B64C25/00 (4) · IPC B64C3/26 (4) · IPC B64C3/54 (4)
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