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US Patent: 150,289
Improvement in apparatus for tempering saws
Patentee:
William Clemson - Middletown, NY

USPTO Classifications:
266/249, 266/259

Tool Categories:
tool making : making sawblades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Elisha P. Wheeler
Charles J. Humphrey

Patent Dates:
Applied: Apr. 15, 1874
Granted: Apr. 28, 1874

Patent Pictures:
USPTO pdf tiff
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