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US Patent: 150,225
Improvement in Knife-Sharpeners
Patentee:
Heman P. Brooks - Waterbury, CT

USPTO Classifications:
76/88

Tool Categories:
knives and cutters

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Geo. T. Pinckney
Chas. H. Smith

Patent Dates:
Applied: Feb. 06, 1874
Granted: Apr. 28, 1874

Patent Pictures:
USPTO pdf tiff
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Description:
This is a small knife sharpener with a triangular steel and a tripod-like stand.

Production models also add a cutting wheel and a couple of notches to allow the tool to be used for glass cutting as well. Seems like a really odd combination...

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