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US Patent: 2,984,173
Extrusion die for briquetting machine
Patentees: James B. Roche (exact or similar names) - Lake Stevens, WA William C. Briggs (exact or similar names) - Everett, WA USPTO Classifications: 100/185, 100/191, 100/906, 100/909, 100/92, 425/382.4, 425/466, 425/DIG.23 Tool Categories: Assignees: Sumner Iron Works, Inc. - Everett, WA Manufacturer: Sumner Iron Works - Everett, WA Witnesses: Unknown	Patent Dates: Applied: May 15, 1958 Granted: May 16, 1961 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Sumner Iron Works
Description: The machine in question is for making forage briquettes for cattle feed.

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