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US Patent: 147,536
Improvement in sharpening-machines
Patentee:
Baxter D. Whitney - Winchendon, MA

USPTO Classifications:
29/90.01, 451/67, 76/89.2

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
None

Manufacturer:
Baxter D. Whitney & Son, Inc. - Winchendon, MA

Witnesses:
J. B. Woodruff
A. L. Youngs

Patent Dates:
Applied: Mar. 26, 1873
Granted: Feb. 17, 1874

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Baxter D. Whitney & Son, Inc.
Description:
This patent was subsequently improved in patent 390,931.

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