Drilldown: Patents

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Patents > Tech fields : lift or propeller & Filing date: 1910 - 1919 & Number of claims: 2

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Office:
Inventors:
None (10) · Christian Lorenzen (3) · August Schlegelmilch (2) · Robert Esnault-Pelterie (2) · Ignaz Etrich (2) · Hellmuth Hirth (2) · Giulio Silvestri (2) · Jakob Haw (2)
Inventor country:
Applicant person:
None (22) · Giulio Silvestri (2) · Ignaz Etrich (2) · August Schlegelmilch (2) · Christian Lorenzen (2) · Robert Esnault-Pelterie (2)
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None (27)
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CPCs:
None (18) · CPC B64D7/02 (4) · CPC B64B1/00 (4) · CPC B64C11/006 (4) · CPC B64C2700/6295 (3) · CPC B64C3/385 (3) · CPC B64C27/00 (2) · CPC B64C3/54 (2) · CPC B64C13/00 (2) · CPC B64C39/00 (2) · CPC B64C2700/6281 (2) · CPC B64C11/22 (2) · CPC B64C9/00 (2) · CPC B64C11/04 (2)
First filing:
Citations from after 1930:
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