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US Patent: 385,845
Tool Post Ring
Patentee: William S. Cobb (exact or similar names) - Philadelphia, PA USPTO Classifications: 142/55, 144/238, 411/531, 82/161 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 25, 1888 Granted: Jul. 10, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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