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US Patent: 126,041
Improvement in machines for grinding wood-pulp for paper, &c. Method of making stone for grinding wood-pulp
Patentees: John F. Wood (exact or similar names) - Everett, MA Josiah S. Elliott (exact or similar names) - Chelsea, MA USPTO Classifications: 106/687, 106/689, 241/28 Tool Categories: Assignees: None Manufacturer: Union Stone Co. - Boston, MA Witnesses: John F. Brennan William W. Swan	Patent Dates: Granted: Apr. 23, 1872 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Union Stone Co.

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