Drilldown: Patents

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Patents > Filing date: July 1911 & Supplementary to patent : Patent FR-1911-430455 or None

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None (4) · Heinrich Hildebrand (2)
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None (11) · Heinrich Hildebrand (2)
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None (35) · airplane (7) · stability (6) · Propulsion (5) · subsystem (4) · propeller (4) · design (3) · navigation (3) · LTA (3) · wings (3)
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None (12)
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CPC B64C17/00 (8) · None (7) · CPC B64C39/00 (6) · CPC B64C2700/6295 (6) · CPC B64C2700/6274 (4) · CPC B64C23/005 (4) · CPC B64C3/385 (3) · CPC B64C33/02 (3) · CPC B64B1/00 (2) · CPC B64C11/48 (2) · CPC B64C23/00 (2) · CPC B64C13/00 (2)
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