US Patent: 22,561 - Stump-extractor


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US Patent: 22,561

Stump-extractor

Patentee:

John L. Knowlton (exact or similar names) - Glassborough, NJ

USPTO Classifications:

254/259

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Henry Howson

Henry Odiorne

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.