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US Patent: D143,898
Design For A Wrench
Rhino Wrench
Patentee:
Archibald C. Brintnall (exact or similar names) - Denver, CO

USPTO Classifications:
81/99, D8/23

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

Assignees:
None

Manufacturer:
Rhino Tool & Mfg. Co. - Denver, CO
Rhino Wrench Co. - Denver, CO

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 31, 1945
Granted: Feb. 19, 1946

Patent Pictures: [ 1 | 2 ]
Archibald C. Brintnall design patent Febr. 19, 1946
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Description:
Self adjusting hook-jaw pipe wrench design. Produced as the "RHINO" self-adjusting pipe wrench.

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