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US Patent: 390,931
Sharpening-machine
Patentee:
Baxter D. Whitney - Winchendon, MA

USPTO Classifications:
451/199, 451/200, 451/367, 451/65

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine gearing

Assignees:
None

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

Witnesses:
William M. Whitney
Samuel A. Parker

Patent Dates:
Applied: Jan. 30, 1886
Granted: Oct. 09, 1888

Patent Pictures:
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"Vintage Machinery" entry for Baxter D. Whitney & Son, Inc.
Description:
This patent is an improvement on patent 147,536. It "relates to certain improvements in sharpening-machines used for the purpose of producing a more perfect scraper-edge..." and uses a diamond burnisher.

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