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GB Patent: GB-190,322,699
Improvements in Wrenches
Patentees:
John Bystrom (exact or similar names) - Chicago, IL
John Howard McElroy (exact or similar names) - Chicago, IL

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 20, 1903
Granted: May 12, 1904

Patent Pictures:
J. Bystrom and J. H. McElroy registered Oct. 20, 1903 - from *Abridgments of Specifications*
Espacenet patent
Report data errors or omissions to steward Stan Schulz
GB-190322699 in ESPACENET
Description:
British patent corresponds to U.S. patent 731,394 granted Oct. 13, 1903. McElroy was a patent attorney.

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 #. This patent is #22,699 of the year 1903.

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