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US Patent: 97,351
Improved bolt-heading machine
Patentee: Orrin Clark Burdict (exact or similar names) - Providence, RI USPTO Classifications: 470/147 Tool Categories: specialty machines : nut or bolt making machines metalworking machines : forging machines Assignees: None Manufacturer: Providence Steam Engine Co. - Providence, RI Plumb, Burdict & Barnard - Buffalo, NY Witnesses: J. H. Shumway A. J. Tibbits	Patent Dates: Granted: Nov. 30, 1869 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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