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US Patent: 1,252,031
Planer Tool Holder
Patentee: William S. Robinson (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 409/345 Tool Categories: metalworking machines : metal planers : metal planer tool holders Assignees: Armstrong Bros. Tool Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: W. P. Kilroy Harry R. White	Patent Dates: Applied: Dec. 26, 1916 Granted: Jan. 01, 1918 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Armstrong Brothers Tool Co.
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