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US Patent: 743,058
Chain Wrench
George W. Bufford - Brooklyn, NY

USPTO Classifications:

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

J. H. Williams & Co. - Brooklyn, NY

Not known to have been produced

William J. Campbell
Frank W. Trabold
Joseph S. Latimer
F. A. McDermott

Patent Dates:
Applied: Jul. 07, 1902
Granted: Nov. 03, 1903

Patent Pictures:
George W. Bufford patent November 3, 1903
USPTO pdf tiff
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U.S. 743058 in ESPACENET
One of Bufford's chain wrench patents - the chain is in line with a single "jaw." The "jaw" is roughly circular. The chain is reversible. This is in the "ancestry" of Williams' AGRIPPA pipe and fittings wrench. It is noted in patent no. 769,043.

Arthur S. Browne - patent attorney

Corresponding British patent GB-190323812 was registered Nov. 3, 1903 and granted Jan 14, 1904.

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