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US Patent: 10,269
Dressing Millstones Machine for Dressing Millstones
Patentees: Willard B. Cummings (exact or similar names) - Tyngsborough, MA Nathan P. Dadman (exact or similar names) - Chelmsford, MA USPTO Classifications: 125/29 Tool Categories: stoneworking : stone dressing machines Assignees: Willard B. Cummings - Tyngsborough, MA Nathan P. Dadman - Chelmsford, MA C. A. Blood - North Chelmsford, MA Manufacturer: Not known to have been produced Witnesses: Charles Butterfield S. H. Merrill Cyrus Hamblet	Patent Dates: Granted: Nov. 22, 1853 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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