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US Patent: 1,237,185
Tool Holder
Patentee: Adam L. Ewen (exact or similar names) - North Smithfield, Providence County, RI USPTO Classifications: 408/116, 408/181 Tool Categories: metalworking machines : drilling and boring : drilling and boring tool holders metalworking tools : boring bars Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 30, 1916 Granted: Aug. 14, 1917 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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