US Patent: 78,299
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| Improvement in Pipe-Wrenches
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Patentee:
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| Nardo F. Loi (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 26, 1868 |
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Patent Pictures:
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N. F. Loi Pat. May 26, 1868 |
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Stan Schulz
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Description: |
| A series of interchangeable jaw pieces adapt the tongs type handles to several wrench and tongs functions. The block containing the pivot point is threaded so one leg of the tongs can be threaded in and out to change the distance between the jaw faces. |
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