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US Patent: 319,144
Method of utilizing old boiler-tubes
Patentees: Matthew L. Ritchie (exact or similar names) - New York, NY Nathan Stephens (exact or similar names) - Brooklyn, NY USPTO Classifications: 138/145, 138/173, 220/4.26, 285/390, 285/417, 285/55, 285/903, 29/401.1, 29/458, 29/890.031 Tool Categories: Assignees: Eagle Tube Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: William G. Mott George T. Pinckney	Patent Dates: Applied: Nov. 26, 1884 Granted: Jun. 02, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Stephens Patent Vise Co.

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