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All Patents in class 451/915
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
110,102Dec. 13, 1870J.F. WoodImprovement in the manufacture of emery-wheels
125,949Apr. 23, 1872A.S. GearImprovement in machines for working stone
1,261,669Apr. 02, 1918W.E. WrightSawing Apparatus
1,290,896Jan. 14, 1919W.L. BryantMachine for grinding metalcylindrical grinders
1,323,452Dec. 02, 1919S.A. CogsdillMachine for Grinding Toolstool grinders
1,911,857May 30, 1933W. StumpfGrinder speed control
1,923,760Aug. 22, 1933J.A. SmithGrinding machinebench or pedestal grinders
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