US Patent: 255,853
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| Wrench
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Patentee:
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| John C. Gunn (exact or similar names) - Knoxville, TN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 23, 1882 |
| Granted: |
Apr. 04, 1882 |
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Patent Pictures:
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John C. Gunn patent April 4, 1882 |
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Stan Schulz
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Description: |
| The inner surfaces of the fixed and movable jaws are notched to hold interchangeable "dies." The movable jaw has a spring-loaded pawl which ratchets on teeth on the perimeter of the "die." The adjacent surfaces of the fixed and movable jaws are flat and may be used as an adjustable nut wrench. |
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