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US Patent: 152,748
Improvement in saw-mill head-blocks
Patentee: William G. Hearn (exact or similar names) - Dyer's Station, TN USPTO Classifications: 83/718 Tool Categories: woodworking machines : sawmills : sawmill headblocks Assignees: John C. A. Grier - Dyer's Station, TN Samuel H. Thomas - Dyer's Station, TN Manufacturer: Not known to have been produced Witnesses: Samuel H. Thomas John C. A. Grier	Patent Dates: Applied: Jun. 02, 1874 Granted: Jul. 07, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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