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US Patent: 394,170
Blank Feeder and Gripping Die for Bolt Turning Machines
Patentee: Charles H. Graham (exact or similar names) - Unionville, Hartford County, CT USPTO Classifications: 221/190, 221/298, 470/164, 82/125 Tool Categories: specialty machines : nut or bolt making machines Assignees: Upson Nut Co. - Farmington, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 28, 1887 Granted: Dec. 11, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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