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All Patents in class 451
Patents 1 - 15 of 2142
First set of recordsNext set of recordsLast set of records
5,658XOct. 10, 1829D. Curtis, L.B. PrindleRubbing down and polishing combspolishing and buffing machinery
7,010XApr. 19, 1832G.A. MadeiraMachinery for holding and grinding edge tools
8,224XMay 28, 1834J. WheatonElliptical spindle grindergrinders
8,434XOct. 06, 1834O. StoneSaw-mill strapband sawmills
2,656May 30, 1842R.M. HoeMachinery for grinding and polishing metallic surfaces, particularly saw-platestool making machines
2,860Nov. 21, 1842R.H. HenryMachine for shaping the inner side or periphery of fellies of carriage-wheelswheelwright
3,105May 26, 1843T. FairbanksDischarging Dust from Grinding Wheelsgrinders
5,398Dec. 18, 1847W. HoveyMachinery for Grinding Knives which have Warped Sufacestool grinders
5,760Sep. 12, 1848I. BakerMachine for dressing chair-seatswood shapers
5,902Nov. 07, 1848J.W. Chapman, W.Z. ChapmanHoning Machinesharpening machines
6,253Apr. 03, 1849E. Webber, C. HartshornMachinery for turning lasts and other irregular figures from reverse patternspattern lathes
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
8,681Jan. 27, 1852A.H. CopelandImprovement in Sand Paper Holders
8,929May 04, 1852W. SouthwellMachinery for grinding or polishing saw-blades, &c.tool making
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