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Patents for Anson P. Boardman
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
441,633Dec. 02, 1890J.B. Bennett, A.P. BoardmanVibrator-attachment for polishing-machinessanding machines
441,634Dec. 02, 1890J.B. Bennett, A.P. BoardmanPolishing-machine
441,635Dec. 02, 1890J.B. Bennett, A.P. BoardmanPolishersanding machines
445,030Jan. 20, 1891A.P. BoardmanPolishing-machinesanding machines
469,226Feb. 23, 1892A.P. BoardmanAbrading-cylinder for polishing-machinessanding machines
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