US Patent: 220,134
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| Wrench
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Patentee:
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| Henry Adams French (exact or similar names) - North Orange, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 25, 1879 |
| Granted: |
Sep. 30, 1879 |
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Patent Pictures:
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Henry A. French patent September 30, 1879 |
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Stan Schulz
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Description: |
| The movable jaw contains the adjusting mechanism: a rocking lever with a push button in the lower portion of the movable jaw, and an internal stud with teeth that engage teeth on the main shank. A compression spring holds the teeth in engagement. |
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