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All Patents of Type: cylindrical grinders
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,180XJul. 24, 1832J. BridgesGrinding cylinders, called the traverse grindercylindrical grinders
65,942Jun. 18, 1867T. ProsserGrinding and Polishing Machinepolishing and buffing machinery
187,770Feb. 27, 1877L. Sharpe, executor, C.D. Owen, executor, J.R. Brown (deceased), estate ofGrinding Machinecylindrical grinders
376,814Jan. 24, 1888J.A. ColemanGrindng Machinecylindrical grinders
626,337Jun. 06, 1899C.H. NortonGrinding-Machinecylindrical grinders
731,087Jun. 16, 1903Z.R. TuckerCarriage Reversing Mechanism for Grinding Machinescylindrical grinders
1,900,112Mar. 07, 1933J.H. HoernGrinding machinecylindrical grinders
2,113,362Apr. 05, 1938C.H. AmidonGrinding Machine Headstockcylindrical grinders
2,456,060Dec. 14, 1948C.G. Pardee, J.H. HoernRotor Grindercylindrical grinders
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