US Patent: 1,369,705
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| Monkey Wrench
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Patentees:
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| Roswell J. Parsons (exact or similar names) - Kingsport, TN |
| Tom C. Jones (exact or similar names) - Kingsport, TN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 20, 1919 |
| Granted: |
Feb. 22, 1921 |
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Patent Pictures:
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Roswell J. Parson and Tom C. Jones patent February 22, 1921 |
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Stan Schulz
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Description: |
| The movable jaw includes a finger-operable disk with cam face that engages a central toothed dog. The teeth on the dog engage with rack teeth on the wrench shank to hold adjustment. |
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