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All Patents in class 451/180
Patents 1 - 13 of 13
First set of recordsLast set of records
132,519Oct. 29, 1872G. BraunImprovement in machines for polishing pencilspencil making machines
303,239Aug. 05, 1884J. SwanMechanism for Manufacturing Augersmaking drills and augers
348,146Aug. 24, 1886C.A. ArtmanBroom-handle lathebroom making machinery
357,029Feb. 01, 1887H. PlumbRod-sanding machinesanding machines
397,727Feb. 12, 1889R. KingMachine for making cylindrical pins and tubes of wooddowel making machines
435,698Sep. 02, 1890P.T. LamkinMachine for sandpapering handlessanding machines
526,673Oct. 02, 1894J. BanwellUniversal rod and ring machinewood lathes
544,288Aug. 13, 1895H.W. ColeLathe for irregular shapeswood lathes
876,428Jan. 14, 1908J.G. BlessingFluid Pressure Operated Grinding Machinesharpening machines
1,256,034Feb. 12, 1918H.L. NotterNeedle Sharpener
1,256,646Feb. 19, 1918C.J. BarryGrinding and Polishing Machinepolishing and buffing machinery
1,295,359Feb. 25, 1919N.G. OlsonElectrically-operated abrading-machineoscillating spindle sanders
2,448,245Aug. 31, 1948H.F. BakewellGrinding fixturetool grinders
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