Drilldown: Patents

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Patents > Year filed: 1900 - 1999 & Publication date: 1919 & Number of figures: 2-3

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None (25) · Reinhold Richter (6) · Thomas Sopwith (2) · Hans Windhoff (2) · Jules Védrines (2) · Émile Letord (2) · Louis-Léon Astoux (2)
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IPCs:
None (33) · IPC B64C35/00 (3) · IPC B64C3/38 (2) · IPC B64C13/00 (2) · IPC B64C3/56 (2)
CPCs:
None (33) · CPC B64C13/00 (3) · CPC B64C3/56 (3) · CPC B64C3/385 (2) · CPC B64C2700/6256 (2) · CPC B64C2700/6235 (2) · CPC B64C35/00 (2) · CPC B64C3/00 (2)
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Showing below up to 73 results in range #1 to #73.

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