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Patents > Granted: Yes & Patent agent : H. B. Willson & Co. or J. Germain

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Office:
Inventors:
Émile Letord (13) · Louis Marmonier (7) · Jean Constantin (4) · Désiré Sival (3) · Joseph Gachet (3) · None (3) · Jesse W. Silver (2) · Désiré Crayssac (2) · Raymond de Montgolfier (2) · Jean Desbois (2) · Louis Badier (2) · Félix Monin (2) · James Means (2)
Inventor country:
Applicant person:
Émile Letord (13) · Louis Marmonier (7) · None (4) · Jean Constantin (4) · Joseph Gachet (3) · Désiré Sival (3) · Raymond de Montgolfier (2) · Louis Badier (2) · Jesse W. Silver (2) · James Means (2) · Félix Monin (2) · Jean Desbois (2) · Désiré Crayssac (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (31) · Airplane (11) · propulsion (10) · stability (9) · frame (8) · propellers (6) · construction (6) · control (6) · Design (5) · Helicopter (5) · LTA (5) · safety (4) · aerodynamics (4) · Hybrid (4) · Ascension (3) · wheels (3) · lift (3)
Full specification filed date:
Application number:
None (7) · 496388D (2) · 494571D (2) · 510212D (2) · 510210D (2)
Granted: (Click arrow to add another value)
Related to aircraft:
Patent agent: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (9) · CPC B64C2700/6295 (6) · CPC B64C39/00 (6) · CPC B64C2700/6212 (5) · CPC B64C17/06 (4) · CPC B64C2700/6216 (4) · CPC B64C2700/6274 (4) · CPC B64C23/005 (4) · CPC B64C3/18 (3) · CPC B64C3/00 (3) · CPC B64C2700/6281 (3) · CPC B64C27/12 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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