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All Patents in class 451/65
Patents 1 - 15 of 44
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NumberDatePatenteeTitleType
90,620May 25, 1869C.V. WoerdLathe for Grinding and Polishing Pivots of Watch workwatchmakers lathes
132,519Oct. 29, 1872G. BraunImprovement in machines for polishing pencilspencil making machines
140,832Jul. 15, 1873J. Rigney, J.P. KealyMachine for dressing lathe centerssharpening machines
231,259Aug. 17, 1880B. BeehlerSanding machinesanding machines
303,609Aug. 19, 1884W.P. BarclayCar Wheel Grinding and Turning Machinecar wheel lathes
322,838Jul. 21, 1885W.C. MargedantMachine for finishing plow-beams
372,001Oct. 25, 1887C.V. WoerdLathe for Forming Pivots of Balance Wheel Staffswatchmakers lathes
390,931Oct. 09, 1888B.D. WhitneySharpening-machineindustrial machine gearing
392,814Nov. 13, 1888J.H. McCullyProcess of finishing ladder-railsspecialty woodworking machines
426,860Apr. 29, 1890S. Ross, Jr.Sand-paper machine for boots or shoessanding machines
441,634Dec. 02, 1890J.B. Bennett, A.P. BoardmanPolishing-machine
513,632Jan. 30, 1894R. ConraderMachine for Grinding Spherical or Other Curved Surfacesgrinding machines
554,758Feb. 18, 1896F.E. Wolff, C.O. WigellMachine for cleaning and sanding moldingssanding machines
RE11,593Mar. 23, 1897R. ConraderMachine for Grinding Spherical or other Curved Surfacesgrinding machines
614,247Nov. 15, 1898H. Goldsmith, E.T. GoodhewGrinding Machinetool grinders
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