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US Patent: 521,430
Boring-bit
Patentee: Abraham A. Bourgeous (exact or similar names) - East Longmeadow, MA USPTO Classifications: 175/291, 408/180, 82/1.5 Tool Categories: metalworking machines : drilling and boring : drill bits woodworking tools : hand drills : drill bits Assignees: None Manufacturer: Not known to have been produced Witnesses: H. A. Chapin J. D. Garfield	Patent Dates: Applied: Feb. 23, 1894 Granted: Jun. 12, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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