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US Patent: 432,636
Machine for Straightening and Sizing Twist Drills
Patentee: Samuel Moore (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 72/90, 76/108.6 Tool Categories: tool making : making drills and augers metalworking machines : metal straightening machines Assignees: United States Twist Drill Co. - Providence, Providence County, RI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 21, 1886 Granted: Jul. 22, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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