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All Patents in class 451/129
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
236,422Jan. 11, 1881R. BickemeyerLathe for turning irregular formspattern lathes
492,451Feb. 28, 1893F.D. WinkleyGrinding apparatus
498,240May 30, 1893R. ConraderReamer Grinding Machinetool grinders
607,626Jul. 19, 1898M. Reece, administrator, F.A. Shea, Administrator, J. Reece, Estate of (deceased)Machine for Cutting Wormsgear making machines
908,142Dec. 29, 1908P.H. RootLawn Mower Grindertool grinders
950,560Mar. 01, 1910P.H. RootLawn Mower Grindertool grinders
956,237Apr. 26, 1910A.C. WarnerGrinding-machinesharpening machines
1,287,732Dec. 17, 1918F. MüllerMachine for Milling Knurlsembossing and knurling machines
2,164,642Jul. 04, 1939J.C. DraderMethod and Means for Constructing Gear Finishing Toolsgear cutting tools
2,292,875Aug. 11, 1942R.E. FlandersTool Carrier Control Mechanismthread grinders
2,332,421Oct. 19, 1943E. WildhaberMethod And Machine For Relieving Cuttersmetal relieving machines
2,781,616Feb. 19, 1957M.R. EstabrookHoning machinehoning machines
3,335,525Aug. 15, 1967A.A. MuehlingHydraulic system for grinding machines
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