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US Patent: 1,373,789
Revolving-jaw chuck
Patentee: Wendell A. Barker (exact or similar names) - Elkhart, IN USPTO Classifications: 279/5 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: None Manufacturer: Thomas Elevator Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Nov. 19, 1919 Granted: Apr. 05, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thomas Elevator Co.

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