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US Patent: 1,954,048
Tool Holder
Patentees: Robert K. Jeffery (exact or similar names) - Columbus, Franklin County, OH Sterling C. Moon (exact or similar names) - Columbus, Franklin County, OH USPTO Classifications: 279/78, 403/303, 403/327, 403/330, 403/DIG.4 Tool Categories: metalworking machines : drilling and boring : drilling and boring tool holders Assignees: Jeffrey Mfg. Co. - Columbus, Franklin County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 06, 1931 Granted: Apr. 10, 1934 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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