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US Patent: 14,950
Grinding circular saws
Patentee:
William Clemson - East Woburn, MA

USPTO Classifications:
451/258, 451/364

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Albert L. Richardson
D. MacFarlane

Patent Dates:
Granted: May 27, 1856

Patent Pictures:
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Description:
According to the 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office", this patent was granted an extension.

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