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CA Patent: CA-189,240
Chuck for lathes
Patentee: Wendell A. Barker (exact or similar names) - Chicago, IL USPTO Classifications: Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: None Manufacturer: Thomas Elevator Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Aug. 03, 1918 Granted: Mar. 25, 1919 Patent Pictures: CIPO Data Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thomas Elevator Co.
Description: This is the Canadian equivalent of US patent 1,249,300.

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