US Patent: 551,163
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| Wrench
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Patentee:
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| Joseph G. Hill (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: |
Mar. 21, 1895 |
| Granted: |
Dec. 10, 1895 |
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Patent Pictures:
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Joseph G. Hill patent December 10, 1895 |
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Stan Schulz
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Description: |
| The handle is comprised of inner and outer tubular sections threaded in opposite directions and fastened together. Each section engages a corresponding threaded section on one of the jaws, so turning the handle moves the jaws towards or away from each other. |
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