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All Patents in class 76/43
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
78,995Jun. 16, 1868B.P. PendexterImprovement in machine for sharpening sawssaw sharpening machines
104,830Jun. 28, 1870W. ClemsonMachine for grinding saw-teethsaw sharpening machines
112,838Mar. 21, 1871J.L. OtisImprovement in machines for grinding saw-teethsaw sharpening machines
172,092Jan. 11, 1876W.L. CovelImprovement in saw-sharpening machinessaw sharpening machines
204,402May 28, 1878W.M. WatsonImprovement in saw-sharpenerssaw sharpening machines
222,386Dec. 09, 1879W.L. CovelImprovement in saw-sharpening machinessaw sharpening machines
RE10,252Dec. 05, 1882W.L. CovelSaw-sharpeningsaw sharpening machines
330,399Nov. 17, 1885J.E. Mills, F. HerholdSaw Gummersaw gummers
630,551Aug. 08, 1899J. McCarthyAutomatic Saw Grinding Machinesaw sharpening machines
928,332Jul. 20, 1909G.H. RobinsonSaw-sharpening machinesaw sharpening machines
1,768,996Jul. 01, 1930c.E. RansomSaw grindersaw sharpening machines
2,318,456May 04, 1943A.N. BlumCutting chain sharpenerbench or pedestal grinders
2,353,956Jul. 18, 1944L.W. EnholmSharpener for mortise chain cutterscutter grinding
2,535,439Dec. 26, 1950J. McEwanSaw sharpenersaw sharpening machines
2,646,697Jul. 28, 1953W.B. Sanford, C.A. PhillipsSaw sharpenersaw sharpening machines
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