US Patent: 1,570,627
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| Pipe Wrench
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Patentees:
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| Edwin J. Evans (exact or similar names) - Salt Lake City, UT |
| William H. Barber (exact or similar names) - Salt Lake City, UT |
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Patent Dates:
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| Applied: |
Mar. 25, 1924 |
| Granted: |
Jan. 26, 1926 |
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Patent Pictures:
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Edwin J. Evans and William H. Barber patent Jan. 26, 1926 |
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Stan Schulz
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Description: |
| A slide on the parallel shafts of the handle drives a helical screw which moves the adjustable jaw; a modified version of this arrangement appears in patent no. 1,728,282.
These patents were produced as nut and pipe wrenches styled the EVANS ZIP-GRIP, with markings implying operations at Fall River, Mass. and Los Angeles, CA. Searches for ads, public records documenting business activities, etc. do not bring up much except a 1929 mention of formation of an EVANS WRENCH Co. |
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