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All Patents in class 451/237
Patents 16 - 30 of 43
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145,546Dec. 16, 1873J. Ames, Jr.Improvement in machines for shaping brush-woodsspecialty machines
151,669Jun. 02, 1874M. NewmanImprovement in metal shaping and dressing machinessurface grinders
187,770Feb. 27, 1877L. Sharpe, executor, C.D. Owen, executor, J.R. Brown (deceased), estate ofGrinding Machinecylindrical grinders
231,341Aug. 17, 1880J.P. McKinleySaw-mill head-blocksawmill headblocks
285,931Oct. 02, 1883F.H. RichardsLathe for irregular formspattern lathes
349,343Sep. 21, 1886V.H. ErnstMachine for turning irregular formspattern lathes
397,888Feb. 19, 1889S.T. BarrasProfile-cutting machine
404,329May 28, 1889M.I. WelchSaw sharpener and gummersaw sharpening machines
487,140Nov. 29, 1892C.A. WordenMachine for sharpening razors
544,891Aug. 20, 1895W.F. GilmanLathe for turning lasts, &c.pattern lathes
606,155Jun. 21, 1898W.S. RichardsRouting-machinerouting machines
612,239Oct. 11, 1898L.E. Harper, C.L. GrohmannMachine for dressing metals or other materialsgrinding machines
612,240Oct. 11, 1898L.E. Harper, C.L. GrohmannMachine for dressing and grinding metalgrinding machines
624,882May 09, 1899F. UnkrichSpoke-finishing machinewheelwright
627,310Jun. 20, 1899C. De Los RiceGear Cutting Machinegear making machines
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