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US Patent: 3,796,081
Roll-forming machines
Patentee: Alan Stanley Boardman (exact or similar names) - Ramsbottom, England USPTO Classifications: 72/181, 72/226 Tool Categories: Assignees: Oliver Machinery Co. - Grand Rapids, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 06, 1972 Granted: Mar. 12, 1974 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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