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US Patent: 4,499,693
Method of grinding non-uniform workpieces
Patentees: James J. Fatula, Sr. (exact or similar names) - Ellwood City, PA Martin J. Carroll (exact or similar names) - Sun city Center, FL USPTO Classifications: 451/307, 451/53, 451/7 Tool Categories: metalworking machines : metal sanding machines Assignees: Ryman Engineering Co. - Ellwood City, PA Manufacturer: Ryman Engineering Co. - Ellwood City, PA Witnesses: Unknown	Patent Dates: Applied: Sep. 15, 1982 Granted: Feb. 19, 1985 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ryman Engineeering Co.

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