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US Patent: 1,746,391
Metal Working File
Patentee:
William E. Gibbs (exact or similar names) - San Francisco, CA

USPTO Classifications:
407/29.14, 76/31, 76/36

Tool Categories:

Assignees:
Simonds Saw and Steel Co. - Fitchburg, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 03, 1926
Granted: Feb. 11, 1930

Patent Pictures:
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