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US Patent: 2,226,446
Process for treating thermoplastic products
Patentees: Graydon Smith (exact or similar names) - Cambridge, MA Albert Allen (exact or similar names) - Sharon, MA USPTO Classifications: 219/618, 219/647, 219/670 Tool Categories: specialty machines : plastic molding machines Assignees: Reed-Prentice Corp. - Worcester, MA Manufacturer: Reed-Prentice Corp. - Worcester, MA Witnesses: Unknown	Patent Dates: Applied: Dec. 23, 1937 Granted: Dec. 24, 1940 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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