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US Patent: 65,991
Watchmakers' Tool Improvements in Drilling-Instruments
Patentees: Nelson Barnum (exact or similar names) - St. Louis, MO George C. Schreiber (exact or similar names) - St. Louis, MO USPTO Classifications: 29/10 Tool Categories: specialty tools : watchmaking tools trade specific : watchmaker Assignees: Nelson Barnum - St. Louis, MO Manufacturer: Not known to have been produced Witnesses: M. Randolph S. M. Randolph	Patent Dates: Granted: Jun. 25, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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