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US Patent: 22,474
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Patentee: Harley Stone (exact or similar names) - Blackstone, MA USPTO Classifications: 408/147, 408/195, 408/212 Tool Categories: metalworking machines : drilling and boring : drill bits woodworking tools : hand drills : drill bits Assignees: Paul P. Todd - Blackstone, MA Manufacturer: Not known to have been produced Witnesses: Daniel B. Pond Walter Thorpe	Patent Dates: Granted: Dec. 28, 1858 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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