US Patent: 14,950 - Grinding circular saws


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US Patent: 14,950

Grinding circular saws

Patentee:

William Clemson (exact or similar names) - 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.