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US Patent: 2,853,993
Stone Dresser
Patentee: Harry S. Jakobsen (exact or similar names) - Long Valley, Morris County, NJ USPTO Classifications: 125/11.15 Tool Categories: metalworking machines : grinders : grinder dressers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 28, 1956 Granted: Sep. 30, 1958 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for J & S Tool Co.

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