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Patents > Year granted: 1921 & Tech fields : Airplane or safety

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Year granted:
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Inventors:
None (10) · Gabriel Voisin (5) · Robert-Jules-Marie-Antoine Desmons (3) · Pierre-Jean-René Postel-Vinay (2) · Louis Blériot (2)
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Related to aircraft:
CPCs:
CPC B64C3/00 (10) · CPC B64C2700/6233 (5) · None (5) · CPC B64C35/00 (4) · CPC B64C17/00 (3) · CPC B64C23/005 (3) · CPC B64C11/00 (2) · CPC B64C13/00 (2) · CPC B64D2700/62692 (2) · CPC B64D7/02 (2) · CPC B64C1/064 (2)
First filing:
Citations from after 1930:
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Showing below up to 55 results in range #1 to #55.

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