US Patent: 135,773
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Pipe-Wrenches
Improvement in Pipe-Wrenches
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Patentee:
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| William H. Burton (exact or similar names) - Selma, AL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 08, 1872 |
| Granted: |
Feb. 11, 1873 |
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Patent Pictures:
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W.H. Burton Pat. Feb. 11, 1873 |
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Stan Schulz
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Description: |
| The movable jaw's adjustment is held by a set-screw. Adjustable alligator wrenches similar to this design are known, but they are unmarked and appear to be of much more recent manufacture. |
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