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Patents > Tech fields : covering or propeller & Number of diagram pages: 2-3

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Office:
Inventors:
Albert Hugo Friedel (6) · Anthony O'Brate (4) · Spencer Heath (3) · Louis Coutant Badeau (3) · Francis Alexander Barton (3) · Thomas Augustus Dring (3) · Philippe Delbert (3)
Inventor country:
Inventor location:
None (197) · Pennsylvania (4) · England (2) · West Virginia (2) · Texas (2) · New York city (2) · New York (2) · Missouri (2) · Los Angeles (2) · London (2) · Kansas (2) · Kanawha county, WV (2) · Zurich (2)
Applicant person:
None (42) · Albert Hugo Friedel (5) · Spencer Heath (3) · Louis Coutant Badeau (3) · Anthony O'Brate (3) · Edward Hoult (2) · George A. Henderson (2) · Edwin Richard Mumford (2) · Seth Hart (2) · Jean M. Allèas (2) · Philippe Delbert (2) · Alonzo Perry Bliven (2) · William Wallace Gibson (2) · Francis Alexander Barton (2) · Edward Smethurst (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (87)
Granted:
Related to aircraft:
Patent agent:
None (49) · Munn & Co. (9) · Victor J. Evans (8) · None (6) · R. S. & A. B. Lacey (5) · C. A. Snow & Co. (5) · Watson E. Coleman (4) · Marks & Clerk (3) · W. D. Rowlingson (3) · H. C. Evert & Co. (3) · 0 (3) · A. B. Willson & Co. (2) · Abel & Imray (2) · Joshua R. H. Potts (2) · Wheatley & Mackenzie (2) · Foster, Freeman, Watson & Coit (2) · J. E. Evans-Jackson & Co. (2) · George H. Strong (2) · Arthur Otto Sachse (2) · Haseltine, Lake & Co. (2)
National tech categories:
None (87) · USPC 244/6 (9) · USPC 244/66 (8) · USPC 244/22 (8) · FR 6.4 (6) · USPC 244/64 (6) · USPC 244/26 (6) · USPC 244/25 (5) · GB 4 propel & steer (4)
CPCs:
None (38) · CPC B64B1/00 (22) · CPC B64C23/005 (18) · CPC B64C11/006 (18) · CPC B64C33/02 (12) · CPC B64C39/005 (12) · CPC B64C11/48 (8) · CPC B64C2700/6295 (6) · CPC B64C39/08 (5) · CPC B63H5/10 (5) · CPC B64C11/36 (5) · CPC B64C3/385 (5) · CPC B64C27/82 (5) · CPC B64C13/00 (4) · CPC B64C17/00 (4) · CPC B64C27/04 (4) · CPC B63H1/04 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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