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US Patent: 71,678
Improvement in head-blocks for saw-mills
Patentee: Thomas C. Ball (exact or similar names) - Bellows Falls, VT USPTO Classifications: 83/722 Tool Categories: woodworking machines : sawmills : sawmill headblocks Assignees: Sumner Chapman - Bellows Falls, VT Abijah S. Clark - Bellows Falls, VT Thomas C. Ball - Bellows Falls, VT Manufacturer: Clark & Chapman - Bellows Falls, VT Witnesses: William F. Griffin A. S. Campbell	Patent Dates: Granted: Dec. 03, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Clark & Chapman

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