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US Patent: 1,570,251
Collet and collet mechanism
Patentee: Frank O. Hoagland (exact or similar names) - Bridgeport, CT USPTO Classifications: 279/47, 279/49, 74/552, 74/557 Tool Categories: work holding : collets and collet holders Assignees: Reed-Prentice Co. - Worcester, MA Manufacturer: Reed-Prentice Corp. - Worcester, MA Witnesses: Unknown	Patent Dates: Applied: Jan. 20, 1923 Granted: Jan. 19, 1926 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Reed-Prentice Corp.

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