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US Patent: 22,561
Stump-extractor
Patentee:
John L. Knowlton - Glassborough, NJ

USPTO Classifications:
254/259

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry Odiorne
Henry Howson

Patent Dates:
Granted: Jan. 11, 1859

Patent Pictures:
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Description:
This is the earliest patent granted to John L. Knowlton, who, following the Civil War, invented and manufactured a successful reciprocating ship's saw. See patent 40,344 for the first patented version of that saw.

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