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US Patent: 282,372
Pipe Wrench
Patentee:
Eugene H. Robbins - Pittsfield, MA

USPTO Classifications:
81/68

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Geo. W. Breck
Wm. A. Skinkle
Arthur A. Loop
William W. Gamwell

Patent Dates:
Applied: Jun. 09, 1882
Granted: Jul. 31, 1883

Patent Pictures:
Eugene H. Robbins patent July 31, 1883
USPTO pdf tiff
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Description:
This chain wrench has the chain in a double loop. It was intended as an improvement on Robbins' May 2, 1871 chain wrench (pat. no. 114,348). The double loop is described as preferable for smaller pipe sizes. This patent is not known to have been produced.

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