US Patent: 167,717
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| Improvement in Monkey-Wrenches
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Patentee:
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| Richard J. Welles (exact or similar names) - St. Joseph, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 28, 1875 |
| Granted: |
Sep. 14, 1875 |
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Patent Pictures:
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Richard J. Welles Pat. September 14. 1875 |
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Stan Schulz
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Description: |
| The adjusting nut is in line with the main bar of the wrench; the handle has interior threads and can be screwed up to provide a stop-nut for the adjusting nut. The end of the main bar extends beyond the handle as a screwdriver. |
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