US Patent: 564,513
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| Wrench
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Patentee:
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| Samuel M. Friede (exact or similar names) - St. Louis, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 19, 1895 |
| Granted: |
Jul. 21, 1896 |
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Patent Pictures:
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Samuel M. Friede patent July 21, 1896 |
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Stan Schulz
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Description: |
| The patented feature is the shape of the threads on the the adjusting nut and shank of the movable jaw. The jaws shaped to fit pipe and hexagon nuts are distinctive but not included in the patent. |
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