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US Patent: 393,321
Wrench
Patentees:
Daniel A. B. Bailey - Potsdam, NY
Norman McGillivary - Potsdam, NY

USPTO Classifications:
16/204, 81/68

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Ruppert
E. C. Hough
Horace Lee
Theo. H. Swift

Patent Dates:
Applied: May 28, 1888
Granted: Nov. 20, 1888

Patent Pictures:
Daniel A. B. Bailey and Norman McGillivary patent November 20, 1888
USPTO pdf tiff
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Description:
The wrench consists of a single piece comprising handle, gripping jaw, and chamber for the chain link on the free end of the chain, along with a section of chain.

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