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US Patent: 725,019
Tool Holder
Patentee: John Armstrong (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 144/212, 407/69, 407/86, 407/92 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: Arthur B. Seibold Louis K. Gillson W. H. Cotton	Patent Dates: Applied: May 29, 1902 Granted: Apr. 14, 1903 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: Louis K. Gillson - patent attorney

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