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US Patent: 1,461,184
Abrasive-wheel chuck for grinding machine
Patentee:
Frederic E. Gardner (exact or similar names) - Beloit, WI

USPTO Classifications:
451/548

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 14, 1920
Granted: Jul. 10, 1923

Patent Pictures:
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