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US Patent: 100,945
Improvement in the manufacture of artificial stone Material for making grinding wheels
Patentee: Stanislas Sorrel (exact or similar names) - Paris, France USPTO Classifications: 106/683, 106/685 Tool Categories: Assignees: John F. Wood - Boston, MA Manufacturer: Union Stone Co. - Boston, MA Witnesses: F. Olcott J. U. Zust	Patent Dates: Granted: Mar. 15, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Union Stone Co.
Description: This is an improvement on patent 53,092.

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