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US Patent: 4,564
Machine for dressing saws
Patentee:
Apollos B. Spencer - Newton, OH

USPTO Classifications:
76/44

Tool Categories:
tool making : making sawblades : saw gummers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Peter Von Schmidt
T. C. Donn

Patent Dates:
Granted: Jun. 13, 1846

Patent Pictures:
USPTO pdf tiff
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