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US Patent: 1,454,333
Victor L. Ochoa - El Paso, TX

USPTO Classifications:
81/127, 81/186, 81/90.1

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

Ochoa Tools and Machine Co. - n.p., DE

Not known to have been produced

none listed

Patent Dates:
Applied: Mar. 15, 1922
Granted: May 08, 1923

Patent Pictures:
Victor L. Ochoa patent May 8, 1923
USPTO pdf tiff
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The lever handle has a cam-shaped head that shifts the movable jaw. The wrench is described as an improvement on Ochoa's May 23, 1922 patent (no. 1,417,196). The specifications also note features of the toothed jaws that wear better than competing older forms of pipe wrenches.

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