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All Patents of Type: sharpening machines
Patents 1 - 15 of 70
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NumberDatePatenteeTitleType
8,229XMay 31, 1834J. DraperGumming sawssharpening machines
5,902Nov. 07, 1848J.W. Chapman, W.Z. ChapmanHoning Machinesharpening machines
17,965Aug. 11, 1857J.M. GilstrapMachine for Whetting Plane Bitssharpening machines
28,946Jun. 26, 1860J. TurnerPlane Iron Sharpenerplane blades
61,955Feb. 12, 1867J. RichardsImprovement in machines for grinding sawssharpening machines
75,411Mar. 10, 1868J. GrantImprovement in grinder for knives for planerssharpening machines
79,818Jul. 14, 1868S. FarrenburgImprovement in Tool-Sharpenerssharpening machines
XC-2,996Jan. 25, 1869T.H. BottomleyEdge-tool grinding machinesharpening machines
98,028Dec. 21, 1869J. Dickinson, E.D. Dickinson, G.T. ChattawayGrinding Machinesharpening machines
107,768Sep. 27, 1870A. Miller, U. FarisImprovement in Grindstones or Tool-sharpenerssharpening machines
140,832Jul. 15, 1873J.P. Kealy, J. RigneyMachine for dressing lathe centerssharpening machines
146,050Dec. 30, 1873J.H. CurranSharpening-Machinessharpening machines
147,297Feb. 10, 1874F. WhiteImprovement in sharpening-machinessharpening machines
147,536Feb. 17, 1874B.D. WhitneyImprovement in sharpening-machinessharpening machines
147,921Feb. 24, 1874J.P. FayImprovement in Tool-Grinding Machinessharpening machines
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