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All Patents in class 451/449
Patents 1 - 15 of 16
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
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
945,463Jan. 04, 1910A.B. LandisMachine for grinding cutters and reamersgrinding machines
995,256Jun. 13, 1911T. Trecker, E.J. KearneyMilling-machinewoodworking machine lubrication
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
2,254,240Sep. 02, 1941E.A. OverstedtMachine for Finishing Gearsgear making machines
2,396,147Mar. 05, 1946W.G. BaldenhoferCooling System for Hydraulically-Operated Machine Toolshydraulic apparatus
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
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