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All Patents in class 451/449
Patents 1 - 13 of 13
First set of recordsLast set of records
29,680Aug. 21, 1860H. DisstonMachine for grinding saw-bladestool making machines
233,488Oct. 19, 1880S. DarlingArt of Manufacturing Mathematical Instruments
411,729Sep. 24, 1889W.J. PerkinsSaw-grinding machinesaw sharpening machines
544,439Aug. 13, 1895A.B. LandisGrinding-machinegrinding machines
995,256Jun. 13, 1911T. Trecker, E.J. KearneyMilling-machinelubrication
1,036,783Aug. 27, 1912E.J. BeinAbrasive apparatussanding machines
1,718,562Jun. 25, 1929J.B. Armitage, E.J. KearneyMachine Tool Organizationmilling machines
1,782,235Nov. 18, 1930J.B. Armitage, E.J. KearneyMachine Tool Organizationmilling machines
2,562,229Jul. 31, 1951R.M. BellBelt grinding machinesanding machines
2,935,824May 10, 1960P.J. RobischungMachine tool
3,448,023Jun. 03, 1969R.M. BellBelt type electro-chemical (or electrolytic) grinding machine
4,664,165May 12, 1987H. Pollak, J.W. MaugerSurface mounted power tooljointers
D299,146Dec. 27, 1988H. Pollak, J.W. MaugerSurface mounted power tooljointers
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