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US Patent: 445,571
Machine for Straightening and Polishing Metal Bars, &c.
Patentee:
William Allen McCool (exact or similar names) - Beaver Falls, Beaver County, PA

USPTO Classifications:
72/98

Tool Categories:
metalworking machines : metal straightening machines
specialty machines : polishing and buffing machinery

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 03, 1890
Granted: Feb. 03, 1891

Patent Pictures:
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