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Patents > IPCs : IPC B64C27/04 or IPC F02B75/28 & Citations from after 1930: None

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Office:
Inventors:
None (4) · Alexis Beurrier (4) · Édouard-Jean Bigourdan (4) · Désiré Sival (3) · Jules Cornu (2) · Louis Lacoin (2) · Félix Monin (2) · Émile Dupont (2) · Paul Cornu (2) · Edmond-Louis Douhéret (2) · Edwin Richard Mumford (2) · Charles Wolf (2)
Inventor country:
Applicant person:
None (4) · Alexis Beurrier (4) · Désiré Sival (3) · Jules Cornu (2) · Louis Lacoin (2) · Félix Monin (2) · Émile Dupont (2) · Paul Cornu (2) · Édouard-Jean Bigourdan (2) · Edmond-Louis Douhéret (2) · Edwin Richard Mumford (2) · Charles Wolf (2)
Applicant is inventor:
Tech fields:
helicopter (34) · propulsion (20) · propellers (19) · airplane (18) · hybrid (16) · ascension (12) · design (11) · Lift (7) · heavier-than-air (7) · frame (7) · None (6) · sustentation (6) · propeller (5) · wings (5) · Construction (4) · wheels (4) · control (4) · stability (4) · HTA (4)
Full specification filed date:
Application number:
None (4)
Granted:
Related to aircraft:
Patent agent:
None (20) · J. Germain (5) · None (4) · Armengaud jeune (4) · Lavoix et Mosès (2) · J. Fayollet (2) · Brandon frères (2) · G. de Mestral et F. Harlé (2) · Schwab (2)
National tech categories:
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 74 results in range #1 to #74.

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