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US Patent: 2,850,338
High speed bearing
Patentee: John F. Kopczynski (exact or similar names) - North Tonawanda, NY USPTO Classifications: 384/549, 476/67 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking machine bearings Assignees: None Manufacturer: St. Mary Mfg. Corp. - North Tonawanda, NY Witnesses: Unknown	Patent Dates: Applied: Dec. 06, 1955 Granted: Sep. 02, 1958 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Seen on a Model 500M spin roll from St. Mary Mfg. Corp.

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