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Patents > IPCs: IPC B64C27/04 & Number of claims: 1-6

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Office:
Inventors:
Édouard-Jean Bigourdan (4) · Alexis Beurrier (4) · Louis Lacoin (3) · Désiré Sival (3) · None (2) · Edwin Richard Mumford (2) · Jules Cornu (2) · Jules Collomb (2) · Paul Cornu (2) · Charles Wolf (2) · Félix Monin (2) · Edmond-Louis Douhéret (2) · Jesse James Dillon (2)
Inventor country:
Applicant person:
Alexis Beurrier (4) · None (3) · Louis Lacoin (3) · Désiré Sival (3) · Édouard-Jean Bigourdan (2) · Edwin Richard Mumford (2) · Jules Cornu (2) · Paul Cornu (2) · Jules Collomb (2) · Charles Wolf (2) · Félix Monin (2) · Edmond-Louis Douhéret (2) · Jesse James Dillon (2)
Applicant is inventor:
Tech fields:
helicopter (44) · propulsion (20) · propellers (17) · airplane (16) · hybrid (15) · ascension (13) · None (10) · design (9) · Lift (8) · heavier-than-air (7) · frame (6) · propeller (6) · sustentation (5) · HTA (5) · whole (4) · stability (4) · wings (4) · descent (4) · control (4) · Construction (4)
Full specification filed date:
Application number:
None (2)
Granted:
Related to aircraft:
Patent agent:
None (15) · None (7) · J. Germain (5) · Armengaud jeune (4) · Lavoix et Moses (3) · Y. Rabilloud et fils (3) · J. S. Withers & Spooner (3) · Marks & Clerk (3) · Browne & Co. (2) · C. Blétry (2) · J. Fayollet (2) · Schwab (2) · Brandon frères (2) · G. de Mestral et F. Harlé (2) · G. Petiau (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
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