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All Patents in class 451/135
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
879,277Feb. 18, 1908A.B. LandisGrinding-machinegrinders
1,252,162Jan. 01, 1918E. Bahnik, J. PauerGrinding Machine
1,263,559Apr. 23, 1918H. KaetkerCylinder Grinder
1,269,506Jun. 11, 1918E. PrestonGrinder
1,476,385Dec. 04, 1923A. WhiteIndicator
1,577,478Mar. 23, 1926L.C. MarburgCylinder-grinding attachmentcylindrical grinders
1,624,211Apr. 12, 1927W.L. BryantMultispindle internal-combustion machinecylindrical grinders
1,717,899Jun. 18, 1929G.D. SundstrandGrinding Machineinternal grinders
2,039,349May 05, 1936E.G. Roehm, M. RomainePlanetary Milling Machinemilling machines
2,405,748Aug. 13, 1946W. JohnsonInternal Grindergrinding machines
2,559,180Jul. 03, 1951F.C. VictoryJig Grinderjig grinders
3,022,608Feb. 27, 1962C. TreeTaper Grinding Toolmilling machine tools
3,037,329Jun. 05, 1962W.A. Haggerty, E.L. Ritter, H. ErnstMethod and Apparatus for Grinding Drillsdrill sharpening machines
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