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Patents > Inventor location: None & IPCs : IPC B64C27/04 or IPC F41A5/12

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Office:
Inventors:
None (5) · Édouard-Jean Bigourdan (3) · Désiré Sival (3) · Alexis Beurrier (3) · Edwin Richard Mumford (2) · Émile Dupont (2) · Félix Monin (2) · Paul Mauser (2) · Charles Wolf (2) · Jules Collomb (2) · Edmond-Louis Douhéret (2) · Jesse James Dillon (2)
Inventor country:
Inventor location: (Click arrow to add another value)
Applicant person:
None (5) · Alexis Beurrier (3) · Édouard-Jean Bigourdan (3) · Désiré Sival (3) · Charles Wolf (2) · Jesse James Dillon (2) · Jules Collomb (2) · Félix Monin (2) · Émile Dupont (2) · Edwin Richard Mumford (2) · Paul Mauser (2) · Edmond-Louis Douhéret (2)
Applicant is inventor:
Tech fields:
helicopter (42) · propulsion (21) · propellers (20) · hybrid (15) · airplane (14) · None (13) · ascension (12) · design (9) · Lift (7) · sustentation (6) · propeller (6) · stability (5) · heavier-than-air (5) · frame (5) · parachutes (4) · landing (4) · HTA (4) · wings (4) · construction (4) · control (4)
Full specification filed date:
Application number:
None (6)
Granted:
Related to aircraft:
Patent agent:
None (21) · None (6) · J. Germain (5) · Lavoix et Moses (4) · Armengaud jeune (4) · Y. Rabilloud et fils (3) · J. S. Withers & Spooner (2) · Brandon frères (2) · Browne & Co. (2) · C. Blétry (2) · Marks & Clerk (2) · Schwab (2) · G. Petiau (2) · Dupont et Elluin (2) · G. de Mestral et F. Harlé (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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