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US Patent: 2,223,831
Tool Holder
Patentee: John M. Luers (exact or similar names) - Chesterfield Township, Macomb County, MI USPTO Classifications: 407/117, 407/93 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: None Manufacturer: Empire Tool Co. - Detroit, Wayne County, MI Witnesses: Unknown	Patent Dates: Applied: May 29, 1939 Granted: Dec. 03, 1940 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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