US Patent: 280,793
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| Pipe Wrench
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Patentee:
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| A. Wells Case (exact or similar names) - South Manchester, CT |
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Patent Dates:
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| Applied: |
May 31, 1883 |
| Granted: |
Jul. 10, 1883 |
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Patent Pictures:
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A. Wells Case patent July 10, 1883 |
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Stan Schulz
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Description: |
| The wrench is a variant of the alligator wrench, with the toothed jaw face curved. This curvature makes the gripping edge of the teeth tangential to pipe circumference throughout the size range of the wrench.
Comparable Canadian patent no. CA-17,229 gives the patentee's name as Alfred W. Case.
The AMERICAN SAW Co. of Trenton, NJ produced this design as the FALCON PIPE WRENCH. A known example includes the patent date in the markings. |
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