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US Patent: 515,912
Machine for gaining
Patentee: Robert J. Laidlaw (exact or similar names) - Hamilton, ON Canada USPTO Classifications: 144/27 Tool Categories: trade specific : carpenter Assignees: None Manufacturer: Not known to have been produced Witnesses: Archibald M. Catlin Benjamin R. Catlin	Patent Dates: Applied: May 26, 1893 Granted: Mar. 06, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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