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Patents > Year granted: 1920 - 1929 & Inventor country : GB or NL & Related to aircraft : 1 or navigation

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Year granted:
Office:
Inventor country: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (27) · subsystem (7) · propellers (5) · airplane (5) · wings (4) · fuselage (4) · frame (4) · wing (3) · construction (3) · control (3) · material (2) · helicopter (2) · hélice (2) · flying machines (2) · stability (2) · lift (2) · chassis (2) · undercarriage (2) · aerodynamics (2)
Full specification filed date:
Application number:
None (10)
Grant date:
Granted:
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Related to aircraft: (Click arrow to add another value)
CPCs:
CPC B64C3/185 (5) · CPC B64C2700/6256 (5) · CPC B64C13/00 (5) · CPC B64C35/00 (4) · None (3) · CPC B64C3/00 (3) · CPC B64C25/06 (3) · CPC B64C3/56 (3) · CPC B64C11/04 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

Showing below up to 59 results in range #1 to #59.

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