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US Patent: 781,423
Automatic polishing-machine
Patentee:
Benjamin C. Hemming (exact or similar names) - Meriden, CT

USPTO Classifications:
451/300, 451/304

Tool Categories:
woodworking machines : sanding machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. K. Lovell
George W. Finn
Patent Dates:
Applied: Dec. 30, 1901
Granted: Jan. 31, 1905

Patent Pictures:
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