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Patents for B. C. Roloff
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
555,716Mar. 03, 1896J. Traudt, Jr.Wrenchspoke nipple wrenches
577,492Feb. 23, 1897J.M. NashAutomated spindle machinewood lathes
588,991Aug. 31, 1897D.A. HendersonPipe Wrenchpipe tongs
598,671Feb. 08, 1898C.H. DriverSandpapering-machinesanding machines
636,192Oct. 31, 1899H.W. BolensGrinding Machine
649,972May 22, 1900T.S. WatsonElectric-motor-controlling device
655,753Aug. 14, 1900H.W. BolensGrinding Machine
672,511Apr. 23, 1901J.M. NashAbrading-machinesanding machines
674,384May 21, 1901J.M. NashAbrading mechanismsanding machines
707,621Aug. 26, 1902J.M. NashAbrading mechanismsanding machines
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