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All Patents in class 432/81
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
115,228May 23, 1871R.L. MillsImprovement in Coffee Roasterscoffee roasters
241,294May 10, 1881J. BurnsCoffee Roastercoffee roasters
344,388Jun. 29, 1886J. LevyCoffee Roastercoffee roasters
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