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All Patents in class 34/76
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
493,606Mar. 14, 1893H. TrillrichCoffee Roasting Apparatusroasting coffee
509,298Nov. 21, 1893D.P. CardozoApparatus for Roasting Coffee or Other Substancescoffee roasters
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