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US Patent: 1,376,791
Self Centering Tool Holder
Patentees: Walter W. Baker (exact or similar names) - Syracuse, Onondaga County, NY Frederick W. Franklin (exact or similar names) - Syracuse, Onondaga County, NY USPTO Classifications: 279/16, 408/186, 408/234, 408/239R, 408/241R, 470/66 Tool Categories: metalworking machines : metalworking machine tool holders Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 16, 1919 Granted: May 03, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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