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All Patents in class 451/360
Patents 1 - 15 of 24
First set of recordsNext set of recordsLast set of records
103,242May 17, 1870J. ShaughnessyImprovement in Tool Grinding Attachment for Lathesmetal lathe accessories
175,262Mar. 28, 1876H.D. StoverImprovement in machines for polishing diamonds, &c.
403,712May 21, 1889O.A. WinterMachine for grinding the cutters of wood-cutting machinescutterhead sharpening machines
429,697Jun. 10, 1890C.H. NortonGrinding Machinegrinders
801,542Oct. 10, 1905T.A. PanyardGrinding and polishing machinesharpening machines
975,789Nov. 15, 1910T.A. PanyardGearingcutter grinding
982,166Jan. 17, 1911A.A. WoodGrinding-Machine
994,216Jun. 06, 1911J.M. ThompsonGrinding-machinesharpening machines
1,182,095May 09, 1916C.J. LutherGear-casingsharpening machines
1,210,280Dec. 26, 1916A.M. DrakeAdjustable shaft-bearingindustrial machine bearings
1,290,897Jan. 14, 1919W.L. BryantGrinding-toolgrinding machines
1,386,088Aug. 02, 1921W.J. BoettcherTool Grinderhand grinders
1,391,039Sep. 20, 1921C.H. BeachElectric Grinder
1,464,595Aug. 14, 1923E. BocksheGrinderbench or pedestal grinders
1,464,959Aug. 14, 1923V.M. TuthillGrinding-wheel-truing device
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