US Patent: 440,889
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| Wrench
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Patentee:
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| Amede Chainey (exact or similar names) - North Shapleigh, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 14, 1890 |
| Granted: |
Nov. 18, 1890 |
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Patent Pictures:
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Amede Chainey patent November 18, 1890 |
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Stan Schulz
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Description: |
| The respective pipe and nut wrench jaws slide in grooves cast in the main shank. The wrench can easily be disassembled for repair.
The patented features are the cast grooved main shank, and the spring that holds the pipe gripping jaw in position. |
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