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US Patent: 482,572
Saw Filing Machine
Patentee:
Thomas S. Disston - Philadelphia, PA

USPTO Classifications:
76/39, 76/45

Tool Categories:
metalworking machines : filing machines
tool making : making sawblades

Assignees:
Henry Disston & Sons, Inc. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Henry Howson
Eugene Elterich

Patent Dates:
Applied: Dec. 07, 1891
Granted: Sep. 13, 1892

Patent Pictures:
USPTO pdf tiff
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