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US Patent: 196,064
Improvement in bolt-locks for rail-joints
Patentee: Aretus A. Wilder (exact or similar names) - Detroit, MI USPTO Classifications: 238/253 Tool Categories: transportation : railroads : track and switches Assignees: Aretus A. Wilder - Detroit, MI Corydon B. Palmer - Detroit, MI Manufacturer: Not known to have been produced Witnesses: H. S. Sprague Charles J. Hunt	Patent Dates: Applied: Jan. 04, 1877 Granted: Oct. 09, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for A. A. Wilder

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