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US Patent: 3,796,081
Roll-forming machines
Patentee:
Alan Stanley Boardman - 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 pdf tiff
Google Patents
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"Vintage Machinery" entry for Oliver Machinery Co.

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