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US Patent: 1,078,611
Boring-tool
Patentee: Emery E. Davis (exact or similar names) - St. Louis, MO USPTO Classifications: 144/230, 408/179 Tool Categories: metalworking machines : drilling and boring : boring heads Assignees: Matthews-Davis Tool Co. - St. Louis, MO Manufacturer: Matthews-Davis Tool Co. - St. Louis, MO Witnesses: M. P. Smith B. S. Reid	Patent Dates: Applied: Jul. 10, 1911 Granted: Nov. 18, 1913 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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