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US Patent: 745,758
Slotting Machine Tool Holder
Patentees: John Armstrong (exact or similar names) - Chicago, Cook County, IL Samuel Welter (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 409/348 Tool Categories: metalworking machines : metal slotting machines : slotting machine tool holders Assignees: Armstrong Bros. Tool Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Paul Armstrong May V. Michaud W. H. Cotton L. H. Taylor	Patent Dates: Applied: May 29, 1903 Granted: Dec. 01, 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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