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US Patent: 3,241,185
Extruder with means to vary ram pressure
Patentee: Richard A. Hufford (exact or similar names) - Moline, IL USPTO Classifications: 425/146, 425/326.1, 425/376.1 Tool Categories: Assignees: Williams, White & Co. - Moline, IL Manufacturer: Williams, White & Co. - Moline, IL Witnesses: Unknown	Patent Dates: Applied: Jul. 22, 1963 Granted: Mar. 22, 1966 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Williams, White & Co.

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