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US Patent: 1,277,481
Tool Holder
Patentee: William S. Robinson (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 407/10 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: Armstrong Bros. Tool Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: W. L. Kilroy Harry R. L. White	Patent Dates: Applied: Aug. 11, 1917 Granted: Sep. 03, 1918 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: Miller, Chindahl & Parker - patent attorneys

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