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All Patents in class 451/182
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
256,440Apr. 11, 1882P. MedartMachine for grinding pulleyscylindrical grinders
543,475Jul. 30, 1895H. FraserPlanerwood planers
876,428Jan. 14, 1908J.G. BlessingFluid Pressure Operated Grinding Machinesharpening machines
1,249,632Dec. 11, 1917H.R. IslerGrinding-machinesurface grinders
1,277,472Sep. 03, 1918W.B. PeirceGrinding Machine
1,607,641Nov. 23, 1926G.D. PitkinAbrasive saw-edging machine or the like
1,633,563Jun. 28, 1927C.M. AbbottShingle-abrading machineshingle machines
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