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US Patent: 119,947
Improvement in files
Patentee:
Isaac N. Patten (exact or similar names) - Memphis, TN

USPTO Classifications:
407/29.15, 76/31

Tool Categories:
metalworking tools : files

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James Rose
A. R. Goodlett
Patent Dates:
Granted: Oct. 17, 1871

Patent Pictures:
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