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US Patent: 3,209,494
Method and Apparatus for Grinding Annular Workpieces
Patentee:
William B. Seidel (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
451/24, 451/242, 451/397, 451/49, 451/51

Tool Categories:
metalworking machines : grinders : cylindrical grinders
manufacturing : manufacturing processes

Assignees:
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 15, 1962
Granted: Oct. 05, 1965

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Milling Machine Co.

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