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All Patents of Type: grinding machines
Patents 1 - 15 of 72
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NumberDatePatenteeTitleType
2,745XFeb. 28, 1817G. DrakeMachine for grinding and facing cardsgrinding machines
74,206Feb. 11, 1868H. DisstonImprovement in Machine for Grinding the Rolls of Rolling Millsgrinding machines
D4,321Aug. 30, 1870A. WallaceDesign for the frame of an emery grindergrinding machines
124,134Feb. 27, 1872C. HeatonImprovement in cowls for emery-wheelsgrinding machines
125,434Apr. 09, 1872M.E. Worbell, W. BattellImprovement in Grinding Machinesgrinding machines
132,231Oct. 15, 1872A. AssmanImprovement in Grinding Apparatusgrinding machines
134,296Dec. 24, 1872G.W. LibbeyGrinding Machinesgrinding machines
193,437Jul. 24, 1877E.J. Worcester, V.F. PrenticeImprovement in machines for grinding mower and reaper knivesgrinding machines
197,711Nov. 27, 1877E.J. WorcesterImprovement in machines for grinding lawn-motor cuttergrinding machines
248,744Oct. 25, 1881B. HolmesMachine for grinding steel barsgrinding machines
251,141Dec. 20, 1881F.M. SimmonsMachine for grinding pulleysgrinding machines
255,208Mar. 21, 1882J.H. TaylorGrinding Machinegrinding machines
282,225Jul. 31, 1883J. RentzGrinding-Machinegrinding machines
288,717Nov. 20, 1883A.W. McIntyreMachine for Grinding Car Wheelsgrinding machines
425,230Apr. 08, 1890A.B. LandisGrinding-machinegrinding machines
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