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US Patent: D186,132
Pipe Wrench
Patentee:
Carlos V. St. Claire - San Bernardino, CA

USPTO Classifications:
D8/23

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

Assignees:
None

Manufacturer:
Magnum Tool Co. - Houston, TX

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 27, 1959
Granted: Sep. 15, 1959

Patent Pictures: [ 1 | 2 ]
Carlos V. St. Claire design patent Sept. 15, 1959
USPTO pdf tiff
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Description:
The design was produced as a self-adjusting pipe wrench.

Patents D164,505 (TRIG-O-MATIC), 2,718,167, and 2,875,659 are cited as references.

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