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Patents > Supplementary to patent : Patent FR-1909-420322 or None & IPCs : IPC B64C27/04 or IPC B64C3/38

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Office:
Inventors:
None (6) · Félix Monin (2) · Émile Pupin (2) · Jules Cornu (2) · Pierre Pons (2) · Désiré Sival (2) · Paul Cornu (2) · Robert Esnault-Pelterie (2) · Alexis Beurrier (2) · Édouard-Jean Bigourdan (2)
Inventor country:
Applicant person:
None (8) · Édouard Favre (2) · Émile Pupin (2) · Jules Cornu (2) · Désiré Sival (2) · Robert Esnault-Pelterie (2) · Félix Monin (2) · Pierre Pons (2) · Alexis Beurrier (2)
Applicant is inventor:
Tech fields:
airplane (42) · None (35) · helicopter (33) · propulsion (16) · wings (15) · stability (13) · propellers (13) · navigation (12) · frame (12) · design (12) · control (12) · hybrid (11) · lift (9) · HTA (8) · airfoil (8) · ascension (8) · construction (7) · landing (6)
Full specification filed date:
Application number:
None (13)
Granted:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (40) · None (11) · Armengaud jeune (7) · Y. Rabilloud et fils (4) · Schwab (4) · J. Germain (4) · Browne & Co. (3) · Haseltine, Lake & Co. (3) · Lavoix et Mosès (3) · J. Bonnet-Thirion (3) · J. S. Withers & Spooner (3)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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