US Patent: 42,239
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Improvement in Wrenches
Improved Screw-Wrench
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Patentees:
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| Charles R. Thorn (exact or similar names) - Clinton Station, NJ |
| Alfred Leigh (exact or similar names) - Clinton Station, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 05, 1864 |
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Patent Pictures:
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Thorn & Leigh Pat. Apr. 5, 1864 |
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Stan Schulz
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Description: |
| A ratchet head with an elliptical opening is the base for a double set of adjustable jaws. The end of the handle has a socket for a screwdriver bit. |
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