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US Patent: 2,078,475
Tool Holder
Patentee: Sebastian J. Welter (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 407/112, 407/77, 407/81 Tool Categories: metalworking machines : metal lathes : lathe tools Assignees: Armstrong Bros. Tool Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Dec. 07, 1934 Granted: Apr. 27, 1937 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Armstrong Brothers Tool Co. history "Vintage Machinery" entry for Armstrong Brothers Tool Co.
Description: Chindahl, Parker & Carlson - patent attorneys

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