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US Patent: 2,456,060
Rotor Grinder
Patentees:
Joseph H. Hoern - Birmingham, Oakland County, MI
Curtis G. Pardee - Detroit, Wayne County, MI

USPTO Classifications:
451/143, 451/147, 451/400, 451/900

Tool Categories:
metalworking machines : grinders : cylindrical grinders

Assignees:
Eaton Mfg. Co. - Cleveland, Cuyahoga County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 29, 1945
Granted: Dec. 14, 1948

Patent Pictures:
USPTO pdf tiff
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