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Patents > Patent agent : Cassell & Co. or J. Germain

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Office:
Inventors:
Émile Letord (13) · Louis Marmonier (7) · Jean Constantin (4) · None (3) · Joseph Gachet (3) · Désiré Sival (3) · Félix Monin (2) · Raymond de Montgolfier (2) · Louis Badier (2) · James Means (2) · Jean Desbois (2) · Désiré Crayssac (2)
Inventor country:
Applicant person:
Émile Letord (13) · Louis Marmonier (7) · Jean Constantin (4) · None (3) · Joseph Gachet (3) · Désiré Sival (3) · Félix Monin (2) · Raymond de Montgolfier (2) · Louis Badier (2) · James Means (2) · Jean Desbois (2) · Désiré Crayssac (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (24) · stability (18) · Frame (13) · Design (11) · Propulsion (11) · construction (10) · Control (10) · propellers (9) · automatic stability (8) · aerodynamics (7) · Lift (6) · wings (6) · LTA (6) · equilibrium (5) · hybrid (5) · Helicopter (5)
Full specification filed date:
Application number:
None (8) · 510212D (2) · 510210D (2) · 496388D (2) · 494571D (2)
Granted:
Related to aircraft:
Patent agent: (Click arrow to add another value)
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National tech categories:
CPCs:
CPC B64C17/00 (8) · CPC B64C39/00 (6) · CPC B64C2700/6295 (6) · CPC B64C23/005 (5) · CPC B64C2700/6212 (5) · CPC B64C2700/6216 (4) · CPC B64C2700/6274 (4) · CPC B64C17/06 (4) · CPC B64C3/18 (3) · CPC B64C27/12 (3) · CPC B64C3/00 (3) · CPC B64C2700/6281 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
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