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

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Office:
Inventors:
None (5) · John P. Tarbox (2) · Leonardo Torres Quevedo (2) · Oliver K. Chance (2) · René Hanriot (2) · Louis Coutant Badeau (2) · Eugene F. Falconnet (2) · Henri-Hubert Pagny (2) · William Edward Joseph Vavasour (2)
Inventor country:
Inventor location:
None (80) · London (3) · Pittsburgh (2) · Minneapolis, Minnesota (2) · Minnesota (2) · Hennepin county (2) · PA (2) · England (2) · Allegheny county, Pennsylvania (2)
Applicant person:
None (15) · Oliver K. Chance (2) · William Edward Joseph Vavasour (2) · René Hanriot (2) · Henri-Hubert Pagny (2) · Louis Coutant Badeau (2)
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Application number:
None (23)
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Related to aircraft:
Patent agent:
None (17) · C. A. Snow & Co. (6) · Victor J. Evans (4) · Munn & Co. (4) · M. Zerolo (2) · Marks & Clerk (2) · Carl Tewes (2) · 0 (2)
National tech categories:
None (17) · FR 6.4 (13) · USPC 244/90R (6) · USPC 244/6 (5) · USPC 244/66 (5) · USPC 244/22 (4) · USPC 244/99.11 (3) · USPC 244/234 (3) · GB 4 propel & steer (3) · USPC 244/218 (3) · GB 4 without buoyant (3)
CPCs:
CPC B64C23/005 (13) · CPC B64B1/00 (11) · CPC B64C33/02 (10) · None (9) · CPC B64C13/00 (9) · CPC B64C3/385 (6) · CPC B64C39/005 (4) · CPC B64C33/00 (3) · CPC B64C3/56 (3) · CPC B64C2201/00 (3)
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Citations from after 1930:
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