US Patent: 187,928
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| Pipe-Tongs
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| USPTO Classifications: |
| 81/98 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 12, 1877 |
| Granted: |
Feb. 27, 1877 |
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Patent Pictures:
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St. John, Robinson, and Shepard Pat. February 27, 1877 |
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Stan Schulz
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Description: |
| The patent is for the conformation of the swinging loop jaw, made from a single bent metal piece. The specifications differentiate this from hook jaws like those described in pat. no. 74,697. |
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