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Patents > Publication date: 1921 & National tech categories : DE 77h or FR 6.4 or USPC 244/30

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Inventors:
None (13) · Gabriel Voisin (4) · Charles-Édouard-Pierre Gourdou (3) · Jean-Adolphe Leseurre (3) · Maurice-Achille Lécuyer (3) · Louis Blériot (2) · Adolphe Clément-Bayard (2)
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Applicant person:
None (11) · Gabriel Voisin (4) · Maurice-Achille Lécuyer (3) · Charles-Édouard-Pierre Gourdou (3) · Jean-Adolphe Leseurre (3) · Louis Blériot (2) · Adolphe Clément-Bayard (2) · Bine & Fils (2)
Applicant is inventor:
Tech fields:
airplane (29) · design (19) · frame (12) · construction (11) · Wings (9) · propellers (9) · control (9) · Aerodynamics (7) · stability (7) · subsystem (7) · chassis (6) · heavier-than-air (5) · motors (5) · None (4) · lift (4) · landing (4) · propulsion (4) · wheels (4) · ascension (4)
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None (9)
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CPCs:
CPC B64C23/005 (7) · CPC B64C2700/6274 (6) · CPC B64C13/00 (6) · CPC B64C3/00 (4) · CPC B64C17/00 (4) · CPC B64C2700/6233 (3) · CPC B64C3/18 (2) · CPC B64C2700/6212 (2) · CPC B64C2700/6218 (2) · CPC B64C11/14 (2) · CPC B64C11/04 (2) · CPC B64C2700/6256 (2) · CPC B64C11/00 (2) · CPC B64C35/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
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