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US Patent: 157,843
Improvement in saw-mills
Patentee:
John L. Knowlton - Sharon Hill, PA

USPTO Classifications:
83/111

Tool Categories:
woodworking machines : sawmills : sawmill set works

Assignees:
None

Manufacturer:
John L. Knowlton - Sharon Hill, PA

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 31, 1874
Granted: Dec. 15, 1874

Patent Pictures:
USPTO pdf tiff
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