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US Patent: 656,664
Grinding Machine
Patentee:
Edward B. Roth (exact or similar names) - St. Louis, MO

USPTO Classifications:
451/213

Tool Categories:
metalworking machines : grinders : internal grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 02, 1900
Granted: Aug. 28, 1900

Patent Pictures:
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