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All Patents of Type: tool grinders
Patents 1 - 15 of 35
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NumberDatePatenteeTitleType
5,398Dec. 18, 1847W. HoveyMachinery for Grinding Knives which have Warped Sufacestool grinders
6,949Dec. 11, 1849J. Vaughan, Jr.Machine for Grinding or Polishing Toolspolishing and buffing machinery
7,388May 21, 1850S. StevensMachine for Grinding Spiral Knivestool grinders
19,641Mar. 16, 1858L. JennigsHolder for Planing Knives while Grindingtool grinders
39,782Sep. 01, 1863T. Smith, J.A. StaffordImproved Machine for Grinding Half Round Filesfiles
40,838Dec. 08, 1863J.A. HendrickImprovement in Machines for Grinding and Polishing Toolstool grinders
47,527May 02, 1865J. DodgeGrinding and Polishing Metalspolishing and buffing machinery
68,698Sep. 10, 1867A.B. Lawther, C. Coester, Jr.Edge Tool Grindertool grinders
68,854Sep. 17, 1867J.H. Diedrichs, M.A. DiedrichsGrinding and Polishing Metalspolishing and buffing machinery
78,863Jun. 16, 1868M.C. CronkGrinding Harvester Knivestool grinders
79,049Jun. 23, 1868D.W. AyresImproved Device for Grinding Toolstool grinders
79,246Jun. 23, 1868M.V. Collins, M.M. MorseEdge Tool Grindertool grinders
83,405Oct. 27, 1868J.L. OtisImprovement in Grinding Machinestool grinders
87,150Feb. 23, 1869B.F. DavisImprovement in Machines for Grinding the Knives of Mowing Machinestool grinders
87,212Feb. 23, 1869J.D. SmithImprovement in Machines for Grinding Edge Toolstool grinders
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