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US Patent: 962,184
Die-stock
Patentee: Frederic E. Wells (exact or similar names) - Greenfield, MA USPTO Classifications: 408/176, 470/188 Tool Categories: metalworking tools : tap and die holders metalworking tools : taps and dies industrial tools : taps and dies Assignees: None Manufacturer: Wells Brothers Co. - Greenfield, MA Witnesses: David R. Mowry Fred W. Wells	Patent Dates: Applied: Nov. 13, 1909 Granted: Jun. 21, 1910 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to the pipe-threading die-stock of patent 939,648, which cuts the taper by moving the chasers radially outward as the cutter advances.

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