US Patent: 417,829
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| Wrench
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Patentee:
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| Joseph B. Lowell (exact or similar names) - Chelsea, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 18, 1888 |
| Granted: |
Dec. 24, 1889 |
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Patent Pictures:
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Joseph B. Lowell patent December 24, 1889 |
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Stan Schulz
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Description: |
| Adjustable jaw, reversible ratchet. A collar on the handle has extended sides which can disengage one or the other of the ratchet pawls. The engagement point for the ratchet pawls is the intersection of the teeth on the ratchet head and a secondary pinion. |
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