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US Patent: 125,650
Improvement in Tempering Steel Railrod Rails
Patentee: James A. Woodbury (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 148/320, 148/581, 148/585, 148/640, 148/646, 266/132 Tool Categories: transportation : railroads : track and switches Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Apr. 09, 1872 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for James A. Woodbury

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