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US Patent: 1,927,007
Grinding machine
Patentee:
Joseph R. Whittles (exact or similar names) - Rockford, IL

USPTO Classifications:
451/213, 451/340

Tool Categories:

Assignees:
Mattison Machine Works - Rockford, IL

Manufacturer:
Mattison Machine Works - Rockford, IL

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 26, 1931
Granted: Sep. 12, 1933

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Mattison Machine Works

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