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Patents > Tech fields : hybrid or navigation & Number of diagram pages: 3

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Office:
Inventors:
Albert Hugo Friedel (5) · None (4) · Alfred-Eugène Pichou (3) · John Washington Wilson (3) · Eugene F. Falconnet (2) · Oliver K. Chance (2) · Leonardo Torres Quevedo (2) · Anthony O'Brate (2) · Stewart Cairncross (2) · John P. Tarbox (2)
Inventor country:
Applicant person:
None (19) · Albert Hugo Friedel (5) · John Washington Wilson (3) · Alfred-Eugène Pichou (3) · Oliver K. Chance (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (25)
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Publication date:
Related to aircraft:
Patent agent:
None (33) · Munn & Co. (6) · R. S. & A. B. Lacey (5) · C. A. Snow & Co. (4) · Victor J. Evans (3) · None (3) · Haseltine, Lake & Co. (2) · M. Zerolo (2) · Chassevent (2) · 0 (2)
National tech categories:
None (24) · FR 6.4 (16) · FR 6.3 (8) · USPC 244/90R (8) · USPC 244/6 (6) · USPC 244/66 (5) · USPC 244/22 (4) · USPC 244/80 (3) · USPC 244/113 (3) · USPC 244/35R (3) · USPC 244/30 (3) · USPC 244/28 (3) · GB 4 propel & steer (3) · GB 4 without buoyant (3) · USPC 244/25 (3) · USPC 244/20 (3) · USPC 244/70 (3) · USPC 244/48 (3)
CPCs:
CPC B64B1/00 (19) · CPC B64C23/005 (18) · None (13) · CPC B64C39/005 (11) · CPC B64C33/02 (8) · CPC B64C3/385 (7) · CPC B64C13/00 (7) · CPC B64C33/00 (4) · CPC B64B1/58 (3) · CPC B64C2700/6274 (3) · CPC B64B1/40 (3) · CPC B64C27/82 (3) · CPC B64C35/00 (2) · CPC B64C9/38 (2) · CPC B64C3/52 (2) · CPC B64C3/40 (2) · CPC Y02T50/145 (2) · CPC B64C29/0033 (2) · CPC B64C3/14 (2) · CPC B64C17/00 (2)
First filing:
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Citations from after 1930:
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