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Patents > Inventor country : NL or US & Grant date: 1913 & Cites these patents : 1887 or None

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Tech fields:
None (131) · airplane (54) · stability (51) · frame (32) · propeller (26) · rudder (20) · LTA (20) · navigation (18) · propulsion (17) · control (16) · wheels (12) · design (12) · hybrid (12) · safety (11) · propellers (11) · wings (10) · helicopter (10)
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Patent agent:
None (155) · Victor J. Evans (14) · Munn & Co. (9) · Marks & Clerk (5) · Brandon frères (5) · C. A. Snow & Co. (4) · Charles Assi (3) · P. R. J. Willis (3) · None (3) · J. S. Withers & Spooner (3) · Schwab (2) · Herbert Haddan & Co. (2) · Guido Lacerdote (2) · G. H. Strong (2) · Frank T. Wentworth (2) · E. G. Vrooman (2) · Goepel & Goepel (2) · Brown & Hopkins (2)
National tech categories:
None (74) · FR 6.4 (23) · USPC 244/80 (13) · USPC 244/233 (12) · USPC 244/45R (8) · USPC 244/93 (7) · USPC 244/90R (6) · USPC 244/100R (5) · USPC 244/48 (5) · USPC 244/13 (5) · USPC 244/119 (4) · USPC 244/22 (4) · USPC 244/234 (4) · USPC 244/30 (4) · USPC 244/104R (4) · USPC 244/51 (4) · USPC 244/60 (4) · HU V/h (4) · USPC 244/87 (4)
IPCs:
None (224) · IPC B64C17/00 (11) · IPC B64C1/00 (9) · IPC B64C39/00 (8) · IPC B64C3/38 (8) · IPC B64B1/00 (5) · IPC B64C23/00 (5) · IPC B64C13/00 (4) · IPC B64C33/00 (3) · IPC B64D17/00 (3) · IPC B64C39/06 (2) · IPC B64C3/00 (2) · IPC B64C33/02 (2) · IPC B64B1/58 (2)
CPCs:
CPC B64C17/00 (38) · CPC B64C13/00 (27) · CPC B64C2700/6295 (23) · None (20) · CPC B64C3/385 (17) · CPC B64C23/005 (15) · CPC B64B1/00 (14) · CPC B64C39/005 (8) · CPC B64C39/08 (8) · CPC B64C33/02 (6) · CPC B64B1/58 (5) · CPC B64C39/00 (5) · CPC B64C9/00 (5) · CPC B64C2700/6218 (5)
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