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US Patent: 156,857
Improvement in head-blocks for saw-mills
Patentees: Frank McDonough (exact or similar names) - Eau Claire, WI Levi W. Pond (exact or similar names) - Eau Claire, WI USPTO Classifications: 83/720, 83/724 Tool Categories: woodworking machines : sawmills : sawmill headblocks Assignees: Eau Claire Lumber Co. - Eau Claire, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 15, 1874 Granted: Nov. 17, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for McDonough Mfg. Co.

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