US Patent: 529,982
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Pipe-Wrench
Improvement in Jaws for Finished Pipe
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Patentee:
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| John E. Wakefield (exact or similar names) - Worcester, MA |
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Patent Dates:
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| Applied: |
Apr. 21, 1892 |
| Granted: |
Nov. 27, 1894 |
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Patent Pictures:
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John E. Wakefield Patent November 27, 1894 |
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Stan Schulz
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Description: |
| The patent comprises a pair of spring-loaded hinged jaws with relatively soft interior faces to act as "no-mar" pipe jaw inserts to be used with a pipe or nut wrench. A linking bar limits their motion so they won't crush pipe.
These were advertised as the WAKEFIELD WRENCH CLAMP in sizes to fit pipe 1/8" through 1". |
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