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GB Patent: GB-189,311,602
Improvements in Wrenches For Pipes and Bars
Patentees:
Edward Griffith Brewer - London, England
James Harvey Williams - Brooklyn, NY
William Cox Redfield - Brooklyn, NY

USPTO Classifications:

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

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

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 13, 1893
Granted: Nov. 25, 1893

Patent Pictures:
W. C. Redfield and J. H. Williams registered June 13, 1893 - edited from ESPACENET
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Description:
The "hooks" for the chain are shaped to hold whether the chain sets above or below the "jaw." Corresponding U.S. patent 499,508 was granted June 13, 1893 to J.C. Booth and W.C. Redfield, and assigned to J. H. Williams and Co. of Brooklyn.

Brewer is the registered British patent agent.

Note: Early British patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent #. This patent is #11,602 of the year 1893.

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