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US Patent: 172,414
Improvement in machines for making slides for extension-tables
Patentee: Heman R. French (exact or similar names) - West Randolph, VT USPTO Classifications: 144/134.1, 144/136.1, 144/253.4 Tool Categories: woodworking machines : joint making machines : dado machines Assignees: None Manufacturer: Not known to have been produced Witnesses: E. J. McWain George Ranney	Patent Dates: Applied: Jul. 24, 1875 Granted: Jan. 18, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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