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Patents > Inventor country: US & Grant date: 1912 & Citations from after 1930: None

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Inventors:
Arthur George Watkins (3) · John Washington Wilson (3) · William Swart Romme (3) · Albert Valentine (3) · Harry Houlette Elliott (3) · David Henderson Blake (3) · William Henry Beery (3) · Louis Frederick Bancroft (3) · John William Harrison (2) · John Valentine Janin (2) · Frederick Brackett (2) · Vito Ettore D'Urso (2) · Lawrence Patrick McKeone (2) · Frank Lee Slack (2) · Sylvester Marcellos Williams (2) · Louis Coutant Badeau (2) · Louis Dobbertin (2) · James H. S. Bartholomew (2) · Peter Pitcairn Carmichael (2)
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Inventor location:
None (217) · California (3) · Michigan (2) · New York (2)
Applicant person:
None (8) · David Henderson Blake (3) · Harry Houlette Elliott (3) · John Washington Wilson (3) · William Swart Romme (3) · Albert Valentine (3) · Louis Frederick Bancroft (3) · Arthur George Watkins (3) · Louis Dobbertin (2) · David James Beitzel (2) · Lawrence Patrick McKeone (2) · Louis Coutant Badeau (2) · Frederick Brackett (2) · Vito Ettore D'Urso (2) · John William Harrison (2) · John Valentine Janin (2) · Peter Pitcairn Carmichael (2) · James H. S. Bartholomew (2)
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Application number:
None (26)
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Related to aircraft:
Patent agent:
None (158) · Victor J. Evans (6) · Marks & Clerk (4) · A. M. & William Clark (3) · G. L. Cragg (2) · Societe A. Frey et de Carsalade (2) · Percy S. Webster (2) · Noyes & Harriman (2) · Munn & Co. (2) · Jensen & Son (2) · Wheatley & Mackenzie (2) · Brandon frères (2) · C. L. Parker (2)
National tech categories:
None (43) · FR 6.4 (15) · USPC 244/90R (9) · USPC 244/48 (6) · USPC 244/234 (6) · USPC 244/22 (6) · USPC 244/93 (5) · USPC 244/6 (5) · USPC 244/87 (5) · USPC 244/65 (4) · USPC 244/51 (4) · USPC 244/45R (4) · USPC 244/76R (4) · USPC 244/80 (4) · USPC 244/139 (4) · USPC 244/17.19 (3) · USPC 244/50 (3) · USPC 244/100R (3)
CPCs:
CPC B64C2700/6295 (23) · CPC B64C13/00 (21) · None (13) · CPC B64C3/385 (13) · CPC B64C39/00 (12) · CPC B64C17/00 (12) · CPC B64C33/02 (10) · CPC B64C23/005 (9) · CPC B64C3/14 (6) · CPC B64C13/24 (6) · CPC B64C11/006 (5) · CPC B64B1/40 (5) · CPC B64B1/00 (5) · CPC B64C39/08 (5) · CPC B64C27/006 (5) · CPC B64C29/0033 (4)
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