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US Patent: 220,911
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Patentee: Lorenzo D. Cogswell (exact or similar names) - Rockford, Winnebago County, IL USPTO Classifications: 451/415, 451/48, 451/541 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 04, 1879 Granted: Oct. 28, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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