US Patent: 378,585
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Wrench
Self-Adjusting Wrench, Pliers or Pinchers
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Patentee:
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| Walter Lee Gibson (exact or similar names) - Oviedo, FL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 20, 1887 |
| Granted: |
Feb. 28, 1888 |
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Patent Pictures:
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Walter Lee Gibson patent February 28, 1888 |
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Stan Schulz
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Description: |
| Pliers type tool with a pivoting jaw member providing two ranges of jaw opening sizes. The pivoting member and the jaw it attaches to have shoulders and stops to limit and align this motion.
Improved by patent no. 437,589. |
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