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All Patents of Type: washer cutters
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
25,348Sep. 06, 1859H. PennieBit for Cutting Circular Washerswasher cutters
63,882Apr. 16, 1867A.P. GrugerImproved Device for Cutting Washerswasher cutters
94,870Sep. 14, 1869W.A. ClarkImproved Washer-Cutterwasher cutters
107,700Sep. 27, 1870P. McCormickImprovement in Washer-Cutterswasher cutters
160,015Feb. 23, 1875D. Goodnow, Jr.Improvement in Devices for Cutting out Sheet-Metal Washerswasher cutters
168,607Oct. 11, 1875E. BruleImprovement in Washer-Cutterswasher cutters
177,982May 30, 1876J.S. AppletonImprovement in Washer-Cutterswasher cutters
209,726Nov. 05, 1878W.F. TiltonImprovement in Devices for Cutting Washerswasher cutters
217,505Jul. 15, 1879R.J. BartleyImprovement in Washer-Cutterswasher cutters
256,979Apr. 25, 1882J.W. CooperWasher Cutter and Adjustable Bitwasher cutters
268,509Dec. 05, 1882C.C. MaltbyWasher-Cutterwasher cutters
296,219Apr. 01, 1884J. RathWasher-Cutterwasher cutters
310,527Jan. 06, 1885H.E. KoepkaWasher-Cutterwasher cutters
453,767Jun. 09, 1891J. AddisonTool for Cutting Holes and Washerswasher cutters
457,227Aug. 04, 1891J.L. SigsbeeDevice for Cutting Disks and Washerswasher cutters
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