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US Patent: 198,668
Improvement in Butchers' Steels
Patentee:
William T. Nicholson - Providence, RI

USPTO Classifications:
76/84, D8/90

Tool Categories:

Assignees:
Nicholson File Co. - Providence, RI

Manufacturer:
Not known to have been produced

Witnesses:
J. Knight
Thomas F. Cosgrove

Patent Dates:
Applied: Dec. 06, 1877
Granted: Dec. 25, 1877

Patent Pictures:
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Description:
A butcher's steel with two opposite abrasive surfaces and two opposite smooth polishing or finishing surfaces.

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