US Patent: 563,519
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| Combined Pipe and Nut Wrench
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Patentee:
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| Robert James Thompson (exact or similar names) - Grandin, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 05, 1895 |
| Granted: |
Jul. 07, 1896 |
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Patent Pictures:
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Robert James Thompson patent July 7, 1896 |
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Stan Schulz
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Description: |
| A hinged link to one jaw and toggle link to the second jaw enables one-handed operation. Alternate forms for the jaw and toggle link are noted. |
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