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All Patents in class 451/367
Patents 16 - 30 of 45
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NumberDatePatenteeTitleType
613,127Oct. 25, 1898W. EamesTwist Drill Grinderdrill grinders
614,092Nov. 15, 1898G.T. EamesDrill-grinderdrill sharpening machines
643,914Feb. 20, 1900E.F. ShawTrowel Grinding Machinegrinding machines
736,573Aug. 18, 1903J. BathTool Holder for Grinding Machinestool grinders
976,270Nov. 22, 1910W.A. LeonardDie Grindertool grinders
1,221,556Apr. 03, 1917L.P. McEachronTool Holdersharpening tool holders
1,252,612Jan. 08, 1918R.W. PerrySharpening Device
1,257,927Feb. 26, 1918W.M. ReaganScissors and Shears Sharpening Devicescissor sharpeners
1,266,183May 14, 1918H.A. VincentDevice for Sharpening Safety Razor Bladescutler
1,268,341Jun. 04, 1918J.J. GillespieGrinding Machinebench or pedestal grinders
1,275,208Aug. 13, 1918E. BocksheTool Support for Grinders
1,279,025Sep. 17, 1918R.H. ShayTool Holdersharpening tool holders
1,280,284Oct. 01, 1918W.E. NickersonBlade Holding Mechanism for Blade Sharpening Machinessharpening machines
1,391,034Sep. 20, 1921A. WilliamsDrill-holderdrill sharpening machines
1,455,405May 15, 1923J.F. NagleFixture for Grinding Beveled Chiselsgrinding fixtures
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