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US Patent: 11,857
Apparatus for Tempering and Flattening Saws
Patentee:
William Clemson - Boston, MA

USPTO Classifications:
432/226

Tool Categories:
tool making : making sawblades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George W Minns
Richard W Henshaw

Patent Dates:
Granted: Oct. 31, 1854

Patent Pictures: [ 1 | 2 ]
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Description:
This device was to be placed over a fire of sufficient heat to temper a saw blade and flatten it at the same time by pulling the saw blade between heated steel plates.

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