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All Patents in class 451
Patents 1 - 15 of 2286
First set of recordsNext set of recordsLast set of records
5,385XMar. 03, 1829W. RobinsonGrinding steel dies used to make steel buttonsbutton making machinery
5,658XOct. 10, 1829D. Curtis, L.B. PrindleRubbing down and polishing combspolishing and buffing machinery
6,308XDec. 27, 1830R. HumphreyThrashing machinethreshers and thrashers
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
8,706XMar. 24, 1835P. CooperGrinding and polishing stone, glass, etc.glassmaker
9,287XDec. 15, 1835W. ChildApplication of polishing slate for sharpening razors
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
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