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US Patent: 29,512
Holder for Polishing-Wheels
Patentee:
Ebenezer W. Nichols - Worcester, MA

USPTO Classifications:
451/213, 451/369

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. A. Hill
William Greenleaf

Patent Dates:
Granted: Aug. 07, 1860

Patent Pictures: [ 1 | 2 ]
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