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All Patents in class 451/449
Patents 1 - 10 of 10
First 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
995,256Jun. 13, 1911T. Trecker, E.J. KearneyMilling-machinelubrication
1,036,783Aug. 27, 1912E.J. BeinAbrasive apparatussanding 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, 1987J.W. Mauger, H. PollakSurface mounted power tooljointers
D299,146Dec. 27, 1988H. Pollak, J.W. MaugerSurface mounted power tooljointers
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