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US Patent: 146,374
Bolt-Heading Machine
Patentee: John R. Abbe (exact or similar names) - Manchester, Hillsborough County, NH USPTO Classifications: 470/147 Tool Categories: metalworking machines : bolt heading machines Assignees: None Manufacturer: S. C. Forsaith Machine Co. - Manchester, Hillsborough County, NH Witnesses: Unknown	Patent Dates: Applied: May 23, 1873 Granted: Jan. 13, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for S. C. Forsaith Machine Co.

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