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GB Patent: GB-188,909,299
Pipe Wrenches
Edward S. Boynton - New York, NY
Henry Harris Lake - London, England

USPTO Classifications:

Tool Categories:
wrenches : alligator wrenches
wrenches : wrench adjustment types : screw adjust wrenches


Not known to have been produced

none listed

Patent Dates:
Granted: Jun. 04, 1889

Patent Pictures:
Edward S. Boynton patent registered June 4, 1889 - edited from "Abridgments of Specifications"
Report data errors or omissions
"Steps" in fixed jaw of adjustable alligator wrench; the patent corresponds to U.S. patent no. 404,770 granted to Edward S. Boynton of New York City.

In keeping with British patent options of the period, the patent is listed in the name of 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 to make the number total nine digits). This patent is #9299 of the year 1889.

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