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US Patent: 3,994,678
Heater for billets
Patentee: John W. Nelson (exact or similar names) - Wyoming, MI USPTO Classifications: 432/128, 432/145, 432/153 Tool Categories: Assignees: Oliver Machinery Co. - Grand Rapids, MI Manufacturer: Oliver Machinery Co. - Grand Rapids, MI Witnesses: Unknown	Patent Dates: Applied: May 12, 1975 Granted: Nov. 30, 1976 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Oliver Machinery Co.

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