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US Patent: 3,961,737
Self-centering rolls
Patentee: James J. Fatula (exact or similar names) - Perry Township, PA USPTO Classifications: 198/842, 226/192, 474/187 Tool Categories: Assignees: Ryman Engineering Co. - Ellwood City, PA Manufacturer: Ryman Engineering Co. - Ellwood City, PA Witnesses: Unknown	Patent Dates: Applied: May 09, 1975 Granted: Jun. 08, 1976 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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