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US Patent: 2,544,061
Speed change driving head for power-driven machine
Patentee: Elson Thomas Barnett (exact or similar names) - Phoenix, AZ USPTO Classifications: 475/159, 475/320, 475/347 Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: Savage-Barnett Tool Co. - Phoenix, AZ Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 13, 1948 Granted: Mar. 13, 1951 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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