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US Patent: 485,233
Machine for Boring Non Circular Holes
Patentee: William J. Smith (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 82/1.3, 82/128 Tool Categories: metalworking machines : boring and turning machines Assignees: Charles S. Larrabee, Trustee - Boston, Suffolk County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 13, 1892 Granted: Nov. 01, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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