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US Patent: 542,099
Grinding Apparatus
Patentees:
Wilbur F. Nichols (exact or similar names) - San Francisco, CA
Billy Bloomheart (exact or similar names) - San Francisco, CA

USPTO Classifications:
29/DIG.69, 451/155, 451/231, 451/380

Tool Categories:
metalworking machines : grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 18, 1894
Granted: Jul. 02, 1895

Patent Pictures:
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