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US Patent: 2,820,378
Self-Aligning Tool Holder
Patentees: Guy S. Randles (exact or similar names) - Alpena, Alpena County, MI William D. Reynolds (exact or similar names) - Alpena, Alpena County, MI USPTO Classifications: 408/127, 408/714 Tool Categories: metalworking machines : drilling and boring : drilling and boring tool holders Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 14, 1954 Granted: Jan. 21, 1958 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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