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Patents > Citations from after 1930: 1

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Tech fields:
None (72) · stability (42) · LTA (38) · propulsion (37) · airplane (36) · Frame (34) · propeller (33) · navigation (29) · rudder (18) · car (16) · helicopter (14) · control (14) · aerial propeller (14) · wheels (12) · Landing (11) · parachute (10) · airfoil (10) · military (10)
Full specification filed date:
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Supplementary to patent:
None (304) · Patent FR-1916-501550 (2)
Related to aircraft:
Patent agent:
None (30) · Munn & Co. (28) · None (14) · Brewer & Son (9) · C. A. Snow & Co. (7) · Victor J. Evans (6) · Emile Bert (4) · E. Blétry (4) · Marks & Clerk (4) · Haseltine, Lake & Co. (3) · Herbert Haddan & Co. (3) · Hy. Fairbrother (3) · Chandler & Chandler (3) · Boult, Wade & Tennant (3) · Cruikshank & Fairweather, Limited (3) · Weismann et Marx (3)
National tech categories:
None (152) · FR 6.4 (29) · USPC 244/80 (9) · USPC 244/3.23 (6) · USPC 244/20 (6) · USPC 244/90R (5) · USPC 244/66 (5) · USPC 244/22 (5) · USPC 244/177 (5) · USPC 244/9 (4) · USPC 244/73R (4) · USPC 244/70 (4) · USPC 244/64 (4) · USPC 244/6 (4) · USPC 244/45R (4) · USPC 244/30 (4)
IPCs:
None (186) · IPC B64C3/00 (16) · IPC B64C39/00 (14) · IPC B64B1/00 (10) · IPC B64C1/00 (7) · IPC B64C35/00 (7) · IPC B64C17/00 (6) · IPC B64C33/00 (6) · IPC B64C3/54 (5) · IPC F42B10/00 (5) · IPC B64C25/00 (5) · IPC B64B1/62 (4) · IPC B64C3/18 (4) · IPC B64C13/00 (4) · IPC B64C11/48 (4) · IPC B64C31/06 (3) · IPC A63H27/00 (3) · IPC B64C11/00 (3) · IPC B64C13/24 (3) · IPC B64C3/38 (3)
CPCs:
CPC B64C17/00 (19) · CPC B64C39/005 (19) · CPC B64B1/00 (16) · CPC B64C13/00 (15) · CPC B64C3/00 (14) · CPC B64C27/54 (13) · CPC B64C2700/6295 (12) · CPC B64C11/48 (12) · None (12) · CPC B64C2700/6235 (10) · CPC B64C11/04 (10) · CPC B64C23/005 (10) · CPC B64C35/00 (9) · CPC B64C11/006 (8) · CPC B64C33/02 (7) · CPC Y10T403/4677 (7) · CPC F16B2/02 (7)
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Citations from after 1930:
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