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GB Patent: GB-190,306,270
Improvements in Wrenches
David H. Irland - Chicago, IL

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches


Not known to have been produced

none listed

Patent Dates:
Applied: Mar. 18, 1903
Granted: Jun. 11, 1903

Patent Pictures:
D. H. Irland registered March 18, 1903 - from *Abridgments of Specifications*
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GB-190306270 in ESPACENET
The British patent combines internal constructions which received U.S. patents 732,858 and 739,316. The Irland Pipe Wrench as produced was based on a further simplification of the internal construction as shown in U.S. patent 800,850. (See entry for 800,850 for 1906 "new product" announcement for the wrench.)

Note: Early English 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 #6,270 of the year 1903.

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