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US Patent: 133,135
Improvement in bolt-machines
Patentee: Aretus A. Wilder (exact or similar names) - Detroit, MI USPTO Classifications: 470/141, 470/144, 470/149 Tool Categories: Assignees: Aretus A. Wilder - Detroit, MI George E. Stevens - Detroit, MI Manufacturer: Not known to have been produced Witnesses: H. F. Eberts H. S. Sprague	Patent Dates: Granted: Nov. 19, 1872 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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