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GB Patent: GB-188,412,232
Wrench or Spanner
J. E. Gyde - Birmingham, England
G. H. Brydges - Birmingham, England

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : auxiliary levers on wrenches


Not known to have been produced

none listed

Patent Dates:
Granted: Sep. 10, 1884

Patent Pictures:
J. E. Gyde and G. H. Brydges patent registered Sept. 10, 1884 - edited from "Abridgments of Specifications"
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Cam lever handle on the movable jaw clamps on the main shank to hold adjustment.

Note: 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 #12,232 of the year 1884.

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