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All Patents of Type: polishing machines
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,184XOct. 09, 1830S. Couillard, Jr.Wiping and polishing the exterior surface of punched, etched, or engraved platespolishing machines
3,380Dec. 15, 1843L. BoardmanBuff for Polishing Spoonspolishing machines
RE399Oct. 07, 1856L. BoardmanPolishing Spoonspolishing machines
481,415Aug. 23, 1892J. McClellanPolishing Wheelpolishing machines
541,349Jun. 18, 1895F.N. GardnerGrinding and Polishing Machinebench or pedestal grinders
889,680Jun. 02, 1908C.L. HawesPolishing Machinepolishing machines
1,006,529Oct. 24, 1911R.S. BrownJournal Boxpolishing machines
1,440,386Jan. 02, 1923C.L. HawesPolishing and Grinding Machinepolishing machines
1,515,640Nov. 18, 1924L.W. WheatonBuffing Machinepolishing machines
1,950,030Mar. 06, 1934C.L. HawesGrinding and Polishing Machinepolishing machines
2,061,626Nov. 24, 1936C.L. HawesGrinding and Polishing Apparatuspolishing machines
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