US Patent: 167,368
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| Improvement in Pipe-Wrenches
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Patent Dates:
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| Applied: |
Jun. 16, 1875 |
| Granted: |
Aug. 31, 1875 |
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Patent Pictures:
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George W. Waitt Pat. Aug. 31, 1875 |
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Description: |
| One of the basic alligator wrench patents .. used by American Saw Co, Roebling, etc. for the traditional No. 1 alligator wrench which remained in production into the 1920s, as well as for larger sizes.
Waitt devised an improvement to this wrench which received pat. no. 1,041,707 on Oct. 15, 1912. |
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