US Patent: 468,241
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| Wrench
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Patentee:
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| Pendleton G. Douglas (exact or similar names) - Gainesville, VA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 06, 1891 |
| Granted: |
Feb. 02, 1892 |
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Patent Pictures:
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Pendleton G. Douglas patent February 2, 1892 |
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Stan Schulz
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Description: |
| Adjustable parallel jaws structure for the head of a ratchet socket wrench. An adjusting nut on the back of the head advances and retracts an internal bolt that moves the jaw faces.
The reversible ratchet mechanism is standard. |
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