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Patents > Publication date: 1921 & National tech categories : FR 6.4 or HU V/h

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Year filed:
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Inventors:
None (21) · Gabriel Voisin (4) · Jean-Adolphe Leseurre (3) · Charles-Édouard-Pierre Gourdou (3) · Maurice-Achille Lécuyer (3) · Louis Blériot (2) · Adolphe Clément-Bayard (2)
Inventor country:
Applicant person:
None (19) · Gabriel Voisin (4) · Charles-Édouard-Pierre Gourdou (3) · Maurice-Achille Lécuyer (3) · Jean-Adolphe Leseurre (3) · Bine & Fils (2) · Adolphe Clément-Bayard (2) · Louis Blériot (2)
Applicant is inventor:
Tech fields:
Airplane (34) · design (24) · construction (13) · propellers (12) · frame (12) · subsystem (10) · control (10) · aerodynamics (9) · wings (9) · stability (8) · motors (7) · chassis (6) · Steering (5) · heavier-than-air (5)
Filing date:
Full specification filed date:
Application number:
None (11)
Granted:
Supplementary to patent:
None (26) · Patent FR-1917-504302 (3) · Patent FR-1915-525800 (2)
Related to aircraft:
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National tech categories: (Click arrow to add another value)
CPCs:
None (11) · CPC B64C23/005 (7) · CPC B64C13/00 (6) · CPC B64C2700/6274 (6) · CPC B64C3/00 (4) · CPC B64C17/00 (4) · CPC B64C2700/6233 (3) · CPC B64C35/00 (2) · CPC B64C2700/6256 (2) · CPC B64C2700/6218 (2) · CPC B64C2700/6212 (2) · CPC B64C3/18 (2) · CPC B64C11/04 (2) · CPC B64C11/00 (2) · CPC B64C11/14 (2)
First filing:
Cites these patents:
Citations from after 1930:
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