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Patents > Year granted: 1912 & Publication date: 1912 & CPCs: None

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None (6) · August Wendtland (4) · Louis Constantin (3) · Louis Brennan (3) · William Elmer Dennis (2) · Romeo Wankmüller (2) · Paul Fugairon (2) · Gustave Plaisant (2) · Heinrich Dittmar (2) · William Swart Romme (2) · Adolf Warchalowski (2) · Antoine-Padoue Filippi (2)
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None (26) · Louis Brennan (3) · Gustave Plaisant (2) · Romeo Wankmüller (2) · Louis Constantin (2) · Heinrich Dittmar (2) · William Swart Romme (2)
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