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Patents > Year granted: 1921 & Granted: Yes & Number of claims: 2-7

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Year granted:
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Inventors:
None (14) · Jean-Adolphe Leseurre (3) · Charles-Édouard-Pierre Gourdou (3) · Charles F. Willard (2) · Pierre-Jean-René Postel-Vinay (2) · Hugo Junkers (2) · Gabriel Voisin (2) · Jakob Haw (2)
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Applicant person:
None (21) · Charles-Édouard-Pierre Gourdou (3) · Jean-Adolphe Leseurre (3) · Charles F. Willard (2) · Gabriel Voisin (2) · Pierre-Jean-René Postel-Vinay (2)
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None (26)
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Related to aircraft:
IPCs:
None (13) · IPC B64C3/00 (10) · IPC B64C1/00 (5) · IPC B64C3/18 (4) · IPC B64C23/00 (4) · IPC B64C11/36 (3) · IPC B64C35/00 (3) · IPC B64C11/00 (3) · IPC B64C25/36 (2) · IPC B64C9/02 (2) · IPC B64C13/00 (2) · IPC B64C17/00 (2) · IPC B64C11/16 (2)
CPCs:
None (11) · CPC B64C3/00 (10) · CPC B64C2700/6233 (5) · CPC B64C23/005 (4) · CPC B64C11/00 (3) · CPC B64C11/36 (3) · CPC B64C13/00 (3) · CPC B64C2700/6274 (3) · CPC B64C35/00 (3) · CPC B64C3/18 (2) · CPC B64C2700/6235 (2) · CPC B64D7/02 (2) · CPC B64C2700/6218 (2) · CPC B64C9/02 (2) · CPC B64C2001/0063 (2) · CPC B64C17/00 (2) · CPC B64C2700/6256 (2) · CPC B64D2700/62692 (2) · CPC B64C11/22 (2)
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Citations from after 1930:
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