US Patent: 461,750
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| Pipe Wrench
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Patentees:
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| Richard S. Gillespie (exact or similar names) - New York, NY |
| Harry James (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 25, 1891 |
| Granted: |
Oct. 20, 1891 |
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Patent Pictures:
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Richard S. Gillespie and Harry James patent Oct. 20, 1891 |
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Stan Schulz
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Description: |
| The patent shows several adjusting means. They all have an "oscillating yoke" in common. |
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