US Patent: 341,768
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| Wrench
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Patentee:
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| Maynes Potter (exact or similar names) - Mariner's Harbor, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 11, 1885 |
| Granted: |
May 11, 1886 |
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Patent Pictures:
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Maynes Potter patent May 11, 1886 |
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Stan Schulz
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Description: |
| A spring-loaded toothed "dog" in the base of the movable jaw frame engages rack teeth on the shank to hold the adjustment. The patent is for the adjustment mechanism; no mention is made of the jaws. |
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