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US Patent: 3,105
Discharging Dust from Grinding Wheels
Patentee:
Thaddeus Fairbanks - St. Johnsbury, VT

USPTO Classifications:
29/DIG.86, 451/456

Tool Categories:
metalworking machines : grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. H. Eddy
Ezra Lincoln, Jr.

Patent Dates:
Granted: May 26, 1843

Patent Pictures:
USPTO pdf tiff
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