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All Patents in class 451/440
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
39,465Aug. 11, 1863D. Cheney, S.S. CheneyLathe for Turning Locomotive Crank Pinsmetal lathes
1,259,130Mar. 12, 1918E. Ritz, Jr.Internal and External Grinder
1,391,039Sep. 20, 1921C.H. BeachElectric Grinder
1,395,880Nov. 01, 1921D.W. WardCommutator Brush Reseating Toolbrush reseating tools
1,445,857Feb. 20, 1923W.N. StevensCylinder Grinding Machinecylindrical grinders
1,527,098Feb. 17, 1925A. WhiteGrinding-machine bearing
1,538,317May 19, 1925F.T. FlinchbaughPortable Reboring Machine for Engine Cylindersportable metal drilling machines
1,577,478Mar. 23, 1926L.C. MarburgCylinder-grinding attachmentcylindrical grinders
1,733,578Oct. 29, 1929F.E. BurkeBrake drum truing toolhandheld power tools
1,957,485May 08, 1934H.W. ZimmermanCylinder grinding tool adjusting mechanismautomotive tools
2,203,943Jun. 11, 1940F.M. DavisMachine tool spindle mountingmilling machines
2,254,508Sep. 02, 1941H.B. BarrettHoning Toolhoning tools
2,875,629Mar. 03, 1959J.E. PoormanAdjustable Off-Center Drill Holder drill press chucks
3,022,608Feb. 27, 1962C. TreeTaper Grinding Toolmilling machine tools
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