US Patent: 753,837
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| Monkey Wrench
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Patentee:
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| Luther C. Barcus (exact or similar names) - Sidney, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 21, 1903 |
| Granted: |
Mar. 08, 1904 |
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Patent Pictures:
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Luther C. Barcus patent March 8, 1904 |
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Stan Schulz
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Description: |
| The wrench shows pipe and nut jaws; the adjustment is a clutch lever attached to the base of the movable jaw, and held in place by a tension spring in the jaw. |
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