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All Patents in class 266
Patents 1 - 15 of 38
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NumberDatePatenteeTitleType
9,275XDec. 02, 1835L.V. BadgerHot air furnace and cupolaindustrial furnaces
7,448Jun. 18, 1850J.F. WoodCombination of a Guide-Tooth with an Inclined Scraper
7,949Feb. 25, 1851J.D. Beers, I. WinslowPlaning-machinewood planers
10,404Jan. 10, 1854C.W. FillmoreClamp for Holding Steel Plates
12,424Feb. 20, 1855S.R. Smith, E. CowlesExcelsior machineexcelsior machines
16,082Nov. 11, 1856H. BessemerImprovement in the manufacture of iron and steel
49,451Aug. 15, 1865J. SmallMachine for Tempering Saws, Files, etc.files
65,598Jun. 11, 1867E.S. PiperImprovement in hardening sawstool making machines
65,946Jun. 18, 1867C. RichardsonImproved Apparatus for Tempering Steel Platestool making machines
70,755Nov. 12, 1867J. SmallMachine for Tempering Saws, Files, etc.files
125,650Apr. 09, 1872J.A. WoodburyImprovement in Tempering Steel Railrod Railstrack and switches
125,651Apr. 09, 1872J.A. WoodburyTempering the Treads of Car Wheelsrailroad car wheels
150,289Apr. 28, 1874W. ClemsonImprovement in apparatus for tempering sawsmaking sawblades
153,115Jul. 14, 1874I.J. RobinsonImprovement in processes for tempering the blades of squarescarpenter squares
343,358Jun. 08, 1886W.B. BarryApparatus for tempering sawstool making machines
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