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US Patent: 11,754
Dressing Stone Machine for Dressing Stone
Patentee: William H. Robertson (exact or similar names) - Hartford, CT USPTO Classifications: 125/6 Tool Categories: stoneworking : stone dressing machines Assignees: None Manufacturer: William H. Robertson - Hartford, CT Witnesses: Unknown	Patent Dates: Granted: Oct. 03, 1854 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for William H. Robertson

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