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US Patent: 2,966,818
Plier Type Toggle Wrench With Unlocking Means
Patentee:
Otto P Froeschl (exact or similar names) - Kansas City, MO

USPTO Classifications:
81/368

Tool Categories:
wrenches : pliers type wrenches : locking pliers

Assignees:
P & M Supply Co. - Kansas City, MO

Manufacturer:
Unknown

Witnesses:
none listed

Patent Dates:
Applied: Mar. 06, 1959
Granted: Jan. 03, 1961

Patent Pictures: [ 1 | 2 ]
Otto P. Froeschl patent January 3, 1961
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Description:
One distinctive feature of the design is the roller on the lock release lever. The specifications cite patent nos. RE24,465, 2,519,973 and 2,592,807 as references.

One known example is marked WIZARD LOC-GRIP H1209 PAT. 2,966,818.

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