Drilldown: Patents

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Patents > Publication date: 1920 & National tech categories : FR 6.4 or FR 6.8

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Inventors:
None (11) · Paul Schmitt (4) · Émile Letord (3) · Louis Renault (3) · Gianni Caproni (3) · Seth Hart (2) · Robert Ingersoll Eustis (2)
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None (13) · Paul Schmitt (4) · Louis Renault (3) · Gianni Caproni (3) · Émile Letord (3) · Seth Hart (2) · Robert Ingersoll Eustis (2)
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None (21) · 510210D (2)
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IPCs:
None (4) · IPC B64D27/00 (4) · IPC B64C11/00 (3) · IPC B64C3/00 (3) · IPC B64C39/00 (3) · IPC B64C13/00 (3) · IPC B64C13/12 (3) · IPC B64C27/04 (2) · IPC B64B1/12 (2) · IPC B64B1/40 (2) · IPC B64C25/00 (2)
CPCs:
CPC B64D27/00 (4) · CPC B64C3/00 (3) · CPC B64C11/00 (3) · CPC B64C13/12 (3) · CPC B64C13/00 (3) · CPC B64C35/00 (2) · CPC B64C39/00 (2) · CPC B64F2700/6226 (2) · CPC B64C31/02 (2) · CPC B64C11/06 (2) · CPC B64C13/0421 (2) · CPC B64C3/26 (2) · CPC B64B1/40 (2) · CPC B64B1/12 (2)
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