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All Patents in class 34/85
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
236,888Jan. 25, 1881C.L. HallCoffee Roastercoffee roasters
250,571Dec. 06, 1881P. PearsonApparatus for Roasting Coffee and Other Vegetable Substancescoffee roasters
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