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US Patent: 1,746,381
Boring tool
Patentee: Emery E. Davis (exact or similar names) - St. Louis, MO USPTO Classifications: 408/153, 408/238, 81/436, 81/DIG.005 Tool Categories: metalworking machines : drilling and boring : boring heads Assignees: Davis Boring Tool Co. - St. Louis, MO Manufacturer: Davis Boring Tool Co. - St. Louis, MO Witnesses: Unknown	Patent Dates: Applied: Feb. 04, 1925 Granted: Feb. 11, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Davis Boring Tool Co.

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