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Patents > Inventor country: US & Tech fields: helicopter

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Office:
Inventors:
James Jesse Jackson (4) · William Everett Sylvester Coyne (4) · Louis Raymond Accornero (3) · Samuel Dimmick Mott (3) · Rudolph Kosch (3) · Carl Emil Ritter (3) · Adolphe Gaydon (3) · Albert Valentine (2) · Pieter Barteld Van Leggelo (2) · William David Le Fevre (2) · George Alphonzo Metcalf (2) · John J. Donnelly (2) · Peter Pitcairn Carmichael (2)
Inventor country: (Click arrow to add another value)
Inventor location:
None (109) · California (3) · Denver, Colorado (2) · NYC (2) · New York City (2) · New York (2) · Indiana (2) · Massachusetts (2) · Denver county, CO (2) · Colorado (2)
Applicant person:
None (13) · James Jesse Jackson (4) · Samuel Dimmick Mott (3) · Adolphe Gaydon (3) · Louis Raymond Accornero (3) · Carl Emil Ritter (3) · William David Le Fevre (2) · Rudolph Kosch (2) · George Alphonzo Metcalf (2) · Pieter Barteld Van Leggelo (2) · Peter Pitcairn Carmichael (2) · Albert Valentine (2) · John J. Donnelly (2)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (27) · frame (2)
Granted:
Related to aircraft:
Patent agent:
None (37) · Victor J. Evans (8) · Munn & Co. (6) · C. A. Snow & Co. (5) · J. S. Withers & Spooner (4) · G. Petiau (3) · None (3) · Brandon frères (2) · H. B. Willson & Co. (2) · J. S. Withers (2) · Dyrenforth, Lee, Chritton, and Wiles (2) · A. J. O'Brien (2) · 1 (2)
National tech categories:
None (33) · USPC 244/6 (16) · FR 6.4 (8) · USPC 244/17.21 (7) · USPC 244/17.15 (7) · USPC 244/65 (7) · USPC 244/17.19 (7) · USPC 244/20 (4) · USPC 244/7R (3) · USPC 244/17.17 (3) · USPC 244/60 (3) · USPC 244/66 (3) · USPC 416/123 (3) · USPC 244/122R (3)
CPCs:
CPC B64C23/005 (27) · None (19) · CPC B64C27/82 (13) · CPC B64C2700/6281 (13) · CPC B64C39/005 (11) · CPC B64C27/04 (10) · CPC B64C29/0025 (6) · CPC B64C29/0033 (4) · CPC B64B1/00 (4) · CPC B64C27/006 (4) · CPC B64C2025/325 (3) · CPC B64C27/12 (3)
First filing:
Cites these patents:
Citations from after 1930:

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