Drilldown: Patents

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Patents > Year filed: 1900 - 1999 & Filing date: 1918 & Publication date: 1919

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James Robbins (2) · John William Rapp (2) · Émile Letord (2) · Georges-Henri-Marius Canton (2)
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None (3) · James Robbins (2) · John William Rapp (2) · Émile Letord (2) · Georges-Henri-Marius Canton (2)
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Showing below up to 38 results in range #1 to #38.

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