US Patent: 533,386
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| Nut Wrench
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Patentee:
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| George B. Upshaw (exact or similar names) - Abilene, KS |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 20, 1894 |
| Granted: |
Jan. 29, 1895 |
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Patent Pictures:
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George B. Upshaw patent January 29, 1895 |
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Stan Schulz
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Description: |
| Reversible ratchet wrench with replaceable sockets that attach to square extensions of the central ratchet hub. A sliding piece within the handle works to disengage one or other of the ratchet pawls. |
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