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Patents > IPCs: IPC B64C27/04 & CPCs : CPC B64C27/04 or CPC B64C3/00

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Office:
Inventors:
Louis Lacoin (3) · Alexis Beurrier (3) · Édouard-Jean Bigourdan (3) · Edwin Richard Mumford (2) · Charles Wolf (2) · Edmond-Louis Douhéret (2)
Inventor country:
Applicant person:
Alexis Beurrier (3) · Louis Lacoin (3) · None (2) · Edwin Richard Mumford (2) · Edmond-Louis Douhéret (2) · Charles Wolf (2)
Applicant type:
Applicant is inventor:
Tech fields:
helicopter (31) · airplane (15) · propulsion (13) · hybrid (11) · Propellers (11) · design (10) · ascension (7) · Lift (7) · propeller (6) · heavier-than-air (6) · frame (6) · None (6) · sustentation (5) · wings (4) · Construction (4) · stability (3) · whole (3) · wheels (3) · descent (3) · gyroscope (3)
Full specification filed date:
Application number:
None (2)
Granted:
Related to aircraft:
IPCs: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
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Showing below up to 60 results in range #1 to #60.

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