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US Patent: 1,255,494
Bur for Treating Grindstones
Patentee:
George S. Witham, Jr. - Hudson Falls, NY

USPTO Classifications:
125/37, 144/114.1

Tool Categories:
trade specific : miller

Assignees:
George S. Witham, Jr. - Hudson Falls, NY
George S. Witham, Sr. - Hudson Falls, NY

Manufacturer:
Not known to have been produced

Witnesses:
P. J. Garthmann

Patent Dates:
Applied: Aug. 17, 1917
Granted: Feb. 05, 1918

Patent Pictures:
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