Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Patent agent: None & Number of figures: 5-9

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Office:
Inventors:
None (18) · Pierre-Jean-René Postel-Vinay (3) · John P. Tarbox (2) · Louis T. Frederick (2) · Ernst Heinkel‎ (2) · Jakob Haw (2) · Pierre Levasseur (2) · Edward Eugene Brown (2) · Robert Kemp (2) · Alexander Albert Holle (2)
Inventor country:
Applicant person:
None (23) · Pierre-Jean-René Postel-Vinay (3) · Ernst Heinkel‎ (2) · Jakob Haw (2) · Louis T. Frederick (2) · Pierre Levasseur (2) · Edward Eugene Brown (2) · Alexander Albert Holle (2)
Applicant is inventor:
Tech fields:
airplane (29) · frame (20) · construction (14) · wings (11) · design (10) · subsystem (7) · propeller (7) · aerodynamics (6) · stability (6) · propulsion (6) · propellers (6) · fuselage (5) · None (5) · motors (4) · airship (4) · biplane (4) · landing (4)
Full specification filed date:
Application number:
None (22)
Granted:
Publication date:
Related to aircraft:
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CPCs:
None (16) · CPC B64C3/00 (7) · CPC B64C17/00 (7) · CPC B64C11/20 (4) · CPC B64D27/04 (3) · CPC B64C2700/6233 (3) · CPC B64C2001/0063 (3) · CPC B64C33/02 (3) · CPC B64B1/58 (3) · CPC B64C1/00 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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