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Patents > Tech fields : helicopter or wings & Grant date: 1911

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Inventors:
Robert Esnault-Pelterie (4) · Ludwig Schmidl (3) · Dane Hurlburt (3) · René-Albert Brismur (2) · Charles-Paul Maire (2) · Sándor Temesváry (2) · József Marek (2) · Thomas Augustus Dring (2) · Joseph Boisseau (2) · Édouard-Jean Bigourdan (2) · John Washington Wilson (2)
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None (5) · Robert Esnault-Pelterie (4) · Dane Hurlburt (3) · Ludwig Schmidl (3) · John Washington Wilson (2) · Édouard-Jean Bigourdan (2) · Joseph Boisseau (2) · René-Albert Brismur (2) · Sándor Temesváry (2) · Charles-Paul Maire (2) · József Marek (2)
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None (11)
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None (28) · Armengaud jeune (9) · None (4) · L. Chassevent (4) · J. Bonnet-Thirion (4) · C. A. Snow & Co. (3) · Hippolyte Josse (3) · E. Blétry (3) · J. Fayollet (2) · Herbert Haddan & Co. (2) · Haseltine, Lake & Co. (2) · de Bongé (2) · G. Petiau (2)
CPCs:
None (17) · CPC B64C23/005 (13) · CPC B64C17/00 (10) · CPC B64C33/02 (7) · CPC B64C39/00 (6) · CPC B64C2700/6281 (6) · CPC B64C3/00 (5) · CPC B64C2700/6295 (5) · CPC B64C3/54 (5) · CPC B64C39/005 (4) · CPC B64C2700/6274 (4) · CPC B64C3/52 (4) · CPC B64C2700/6218 (3) · CPC B64C27/04 (3) · CPC B64C2700/6233 (3)
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