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US Patent: 261,848
Emery Grinder
Patentee:
Benjamin H. Hadley - Providence, RI

USPTO Classifications:
451/361, 451/406

Tool Categories:
metalworking machines : grinders : sharpening machines : bench or pedestal grinders

Assignees:
None

Manufacturer:
Diamond Machine Co. - Providence, RI

Witnesses:
Socrates Scholfield
Harmon S. Babcock
Alba R. Abbott

Patent Dates:
Applied: Apr. 05, 1882
Granted: Aug. 01, 1882

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Diamond Machine Co.

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