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US Patent: 201,530
Machine for Making Twist Drills
Patentee: Christian F. Jacobson (exact or similar names) - New York, NY USPTO Classifications: 72/119, 72/237, 72/478, 72/64, 72/95 Tool Categories: tool making : making drills and augers Assignees: Christian F. Jacobson - New York, NY James C. Jones - New York, NY George E. Maltby - Norfolk, Norfolk County, VA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 20, 1878 Granted: Mar. 19, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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