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US Patent: 274,366
Head-block
Patentee: Darius Parkhurst (exact or similar names) - St. Louis, MO USPTO Classifications: 83/522.21, 83/722 Tool Categories: woodworking machines : sawmills : sawmill headblocks Assignees: Darius Parkhurst - St. Louis, MO George H. Knight - St. Louis, MO Manufacturer: Not known to have been produced Witnesses: C. B. Tirrell A. L. Crocker	Patent Dates: Applied: Dec. 05, 1882 Granted: Mar. 20, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to patent 257,060.

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