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US Patent: 1,838,945
Automatic machine tool
Patentee: Albert M. Johnson (exact or similar names) - Rockford, IL USPTO Classifications: 408/13, 408/71, 74/820 Tool Categories: specialty machines : nut or bolt making machines Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Sep. 16, 1927 Granted: Dec. 29, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Barnes Drill Co.

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