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US Patent: 9,307
Milling Machine
Patentee: William H. Robertson (exact or similar names) - Hartford, CT USPTO Classifications: 409/206 Tool Categories: metalworking machines : milling machines Assignees: None Manufacturer: William H. Robertson - Hartford, CT Witnesses: William Vine Robert Allason	Patent Dates: Granted: Oct. 05, 1852 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for William H. Robertson
Description: This was the first milling machine patented in the U. S.

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