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Patents > Year granted: 1913 & Inventor country: US

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Tech fields:
None (144) · stability (52) · airplane (49) · frame (28) · propeller (25) · Rudder (20) · LTA (18) · propulsion (17) · navigation (17) · control (15) · wheels (12) · helicopter (11) · hybrid (11) · wings (10) · propellers (10) · parachute (10) · safety (10) · design (10)
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Patent agent:
None (185) · Victor J. Evans (14) · Munn & Co. (7) · Brandon frères (5) · C. A. Snow & Co. (4) · Marks & Clerk (4) · None (3) · Charles Assi (3) · 1 (3) · Herbert Haddan & Co. (2) · William L. Hall (2) · Frank T. Wentworth (2) · Schwab (2) · J. S. Withers & Spooner (2) · Brown & Hopkins (2) · G. H. Strong (2)
National tech categories:
None (77) · FR 6.4 (20) · USPC 244/80 (16) · USPC 244/233 (12) · USPC 244/45R (9) · USPC 244/93 (7) · USPC 244/90R (7) · USPC 244/100R (5) · USPC 244/13 (5) · USPC 244/48 (5) · USPC 244/104R (5) · USPC 244/22 (4) · USPC 244/234 (4) · USPC 244/119 (4) · USPC 244/30 (4) · USPC 244/60 (4) · USPC 244/51 (4) · USPC 244/87 (4) · HU V/h (4)
IPCs:
None (240) · IPC B64C17/00 (11) · IPC B64C39/00 (10) · IPC B64C1/00 (9) · IPC B64C3/38 (5) · IPC B64B1/00 (5) · IPC B64C23/00 (4) · IPC B64C3/00 (4) · IPC B64C33/00 (3) · IPC B64C13/00 (3) · IPC B64D17/00 (3) · IPC B64C33/02 (2) · IPC B64C39/06 (2) · IPC B64C9/00 (2) · IPC CPC B64C13/00 (2)
CPCs:
CPC B64C17/00 (42) · CPC B64C2700/6295 (29) · None (27) · CPC B64C13/00 (25) · CPC B64C3/385 (18) · CPC B64B1/00 (14) · CPC B64C23/005 (13) · CPC B64C2700/6218 (11) · CPC B64C39/00 (9) · CPC B64C39/005 (8) · CPC B64C39/08 (7) · CPC B64C11/006 (7) · CPC B64C33/02 (6) · CPC B64C3/00 (5) · CPC B64C9/00 (5)
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