US Patent: 592,285


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US Patent: 592,285

Wrench

Patentee:

John P. Forsberg (exact or similar names) - Thief River Falls, MN

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

John P. Forsberg - Thief River Falls, MN

Witnesses:

Patent Pictures:

John P. Forsberg Pat. Oct. 26, 1897

Description:

The large teeth on the movable jaw were to catch the corners of nuts; the wrench was not conceived as a pipe wrench.

Corresponding Canadian patent CA-60,654 was granted May 17, 1898.

A photo of the only known example appears as #41 in "Antique and Unusual Wrenches" by Schulzes.