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US Patent: 1,659,092
Ring-grinding machine
Patentee:
Edward B. Gardner (exact or similar names) - Beloit, WI

USPTO Classifications:
451/261

Tool Categories:

Assignees:
Edward B. Gardner - Beloit, WI
John Nielsen - Beloit, WI
Ralph D. Gardner - Beloit, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 10, 1922
Granted: Feb. 14, 1928

Patent Pictures:
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