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US Patent: 150,890
Improvement in metal-drill machines
Patentee: Augustus B. Prouty (exact or similar names) - Worcester, MA USPTO Classifications: 74/842 Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: None Manufacturer: Prentice Bros. - Worcester, MA Witnesses: H. L. Parker Samuel A. Pratt	Patent Dates: Applied: Feb. 05, 1874 Granted: May 12, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Prentice Bros.

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