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US Patent: 2,462,709
Toggle Actuated Tool and Release Therefor
Edgar Dale Ball - Horsley Woodhouse, near Derby, England

USPTO Classifications:
269/221, 269/228, 81/370, 81/377, 81/401

Tool Categories:
wrenches : pliers type wrenches : locking pliers

Taylor-Ball Developments Ltd. - London, England


none listed

Patent Dates:
Applied: Feb. 21, 1945
Granted: Feb. 22, 1949

Patent Pictures:
Edgar Dale Ball patent February 22, 1949
USPTO pdf tiff
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Parallel jaw locking pliers. The pivot point for the jaws is adjustable to set the opening size, and an "L" shaped release is part of the movable handle.

The specifications cite U.S. patent numbers 338,326, 454,917, 485,152, 952,079, 1,168,999, 1,280,405, 1,353,847, 1,504,401, 1,561,681 and 2,285,683 as relevant prior art.

John Tower - patent attorney

The patentee's grandson informed us "The SPEETOG-ELECT was produced in England" -- and that it could still be found in hardware stores in the early 1960s.

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