US Patent: 1,063,153 - Pipe Wrench


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US Patent: 1,063,153

Pipe Wrench

Patentee:

Laurance D. Benedict (exact or similar names) - Chicago, IL

USPTO Classifications:

81/65.4, 81/68

Tool Categories:

wrenches : pipe wrenches : chain and strap wrenches

Assignees:

None

Manufacturer:

Benedict Wrench Co. - Chicago, IL

Witnesses:

Harry S. Gaither

Ruth E. Zetterwall

Wm. F. Freudenreich

Patent Dates:
Applied:	Oct. 19, 1912
Granted:	May 27, 1913

Patent Pictures:

Laurance D. Benedict patent May 27, 1913 with BENEDICT CHAIN WRENCH from 1914 advertisement

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BENEDICT CHAIN WRENCH (FLICKR)

Description:

Chain pipe wrench with the chain housed in the hollow handle, and retracted by a tension spring. The edges of the chain links have gripping teeth. A mid-1913 advertisement noted 5 sizes were available; the largest handling pipe 12" in diameter.