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GB Patent: GB-187,701,912
Improvements in Screw Wrenches and in Attachments Thereto
Patentees:
Benjamin Lindley Walker (exact or similar names) - Sing Sing, NY
Alfred Vincent Newton (exact or similar names) - London, England

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : wrench components : pipe jaw attachments for wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Granted: May 16, 1877

Patent Pictures:
B. L. Walker registered May 16, 1877 - from *Abridgments of Specifications*
Espacenet patent
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Description:
The British patent encompasses the pipe jaw and pipe cutter attachments in U.S. patent 194,488 as well as the underlying wrench patent 158,548. A. V. Newton was a 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 # (with "leading zeros" interposed to make the number total nine digits). This patent is #1912 of the year 1877.

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