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US Patent: 358,731
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Patentee: Hiram Clark (exact or similar names) - Syracuse, NY USPTO Classifications: 408/187 Tool Categories: woodworking tools : hand drills : drill bits : countersinks Assignees: None Manufacturer: Syracuse Twist Drill Co. - Syracuse, NY Witnesses: A. D. Allen Wm. C. Raymond	Patent Dates: Applied: Dec. 06, 1886 Granted: Mar. 01, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)
Description: Segmented construction which provides for separating the two cutting lips for ease of sharpening.

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