US Patent: 513,354
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| Monkey Wrench
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Patentee:
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| Edward C. Wells (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 23, 1893 |
| Granted: |
Jan. 23, 1894 |
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Patent Pictures:
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Edward C. Wells patent January 23, 1894 |
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Stan Schulz
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Description: |
| Screw adjust nut wrench, with a spring at the base of the movable jaw which allows the movable jaw to disengage from the adjusting screw for rapid adjustment. |
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