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Patents > Office: US & Filing date: 1910 - 1919 & Related to aircraft: Yes

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Supplementary to patent:
None (564) · Patent US-1912-1081794 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent GB-1911-2636 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (534) · Victor J. Evans (5) · E. W. Marshall (3) · Munn & Co. (3) · Herbert H. Thompson (3) · E. E. Vrooman (2) · Spear, Middleton, Donaldson & Spear (2) · . . . Elliott (2) · B. Singer (2) · G. H. Strong (2) · John P. Tarbox (2)
Assigned to:
None (548) · Westinghouse Electric & Manufacturing Company (4) · Moteurs Salmson (4) · International Aeronautical Construction Company (3) · Curtiss Aeroplane and Motor Corporation (3) · Curtiss Aeroplane (2) · Sperry Gyroscope Company (2)
National tech categories:
None (67) · USPC 244/90R (31) · USPC 244/80 (20) · USPC 244/233 (19) · USPC 244/119 (17) · USPC 244/48 (15) · USPC 244/87 (14) · USPC 244/13 (14) · USPC 244/234 (13) · USPC 244/104R (13) · USPC 244/93 (12) · USPC 244/91 (12) · USPC 244/22 (11) · USPC 244/46 (11) · USPC 244/35R (11) · USPC 244/100R (11) · USPC 244/60 (9) · USPC 244/139 (9) · USPC 244/76R (9) · USPC 244/127 (9)
IPCs:
None (506) · IPC B64C3/00 (10) · IPC B64B1/00 (10) · IPC CPC B64C13/00 (6) · IPC B64C13/00 (5) · IPC B64C39/00 (5) · IPC B64C17/00 (5) · IPC B64C1/00 (4) · IPC B64C33/00 (4) · IPC B64D17/00 (3) · IPC B64C11/00 (3) · IPC B64C11/20 (3) · IPC B64C3/18 (3)
CPCs:
CPC B64C13/00 (73) · CPC B64C2700/6295 (58) · CPC B64C17/00 (43) · CPC B64B1/00 (30) · CPC B64C23/005 (26) · CPC B64C3/14 (22) · CPC B64C3/385 (22) · CPC B64C13/24 (18) · CPC B64B1/40 (15) · CPC B64C33/02 (13) · CPC B64C3/00 (12) · CPC B64C3/40 (11) · CPC B64C35/00 (11) · CPC B64C9/00 (10) · CPC B64C39/08 (9) · None (8) · CPC B64C2001/0081 (8) · CPC B64C39/005 (8) · CPC B64C29/0033 (8)
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