US Patent: 636,561


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US Patent: 636,561

Wrench

Patentee:

Barney Ross (exact or similar names) - Painesville, OH

USPTO Classifications:

81/69

Tool Categories:

wrenches : pipe wrenches : chain and strap wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Mar. 23, 1899
Granted:	Nov. 07, 1899

Patent Pictures:

Barney Ross patent Nov. 7, 1899

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Description:

Chain pipe wrench; the patented features are details of the pivot bolt and the hooks on the main handle. The patent is an improvement on Ross' Feb. 22, 1898 patent no. 599,673.