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Patents > Year granted: 1911 & Tech fields : safety or takeoff

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Year filed:
Year granted:
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Inventors:
None (4) · Jean Francis Webb (4) · Édouard Deniéport (3) · Absalom Calhoun Ulmer (3) · Francesco Filiasi (2) · Robert Morane (2) · Joseph Wetterwald (2) · Charles-Paul Maire (2) · John Washington Wilson (2) · Thomas Augustus Dring (2)
Inventor country:
Applicant person:
None (21) · Absalom Calhoun Ulmer (3) · Édouard Deniéport (3) · Charles-Paul Maire (2) · John Washington Wilson (2) · Joseph Wetterwald (2) · Francesco Filiasi (2) · Jean Francis Webb, Sr. (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Filing date:
Application number:
None (30)
Granted:
Related to aircraft:
Patent agent:
None (24) · H. Bœttcher fils (3) · Joshua R. H. Potts (3) · Armengaud jeune (3) · J. Bonnet-Thirion (2) · H. C. Evert & Co. (2) · Gedge & Feeny (2) · Matray frères et Cie (2) · Munn & Co. (2) · None (2) · Watson E. Coleman (2) · J. Fayollet (2) · Victor J. Evans (2)
National tech categories:
FR 6.4 (22) · None (15) · USPC 244/139 (5) · USPC 244/80 (4) · USPC 244/144 (3) · USPC 244/48 (2) · FR 10.1 (2) · USPC 244/22 (2) · USPC 244/50 (2) · USPC 244/6 (2) · USPC 244/63 (2) · DE 77h.9 (2) · USPC 244/15 (2) · USPC 244/149 (2) · USPC 244/13 (2) · USPC 244/87 (2)
CPCs:
None (19) · CPC B64C17/00 (7) · CPC B64C33/02 (5) · CPC B64C35/00 (5) · CPC B64C23/005 (4) · CPC B64C39/00 (4) · CPC B64B1/00 (3) · CPC B64C3/14 (3) · CPC B64C2700/6295 (3) · CPC B64D17/00 (3) · CPC B64C25/62 (3)
Family year:
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Citations from after 1930:
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