US Patent: RE4,917
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| Improvement in Pipe-Tongs
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Patentee:
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| Henry Herbert (exact or similar names) - Cincinnati, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 28, 1872 |
| Reissue Information: |
| Reissue of 45,496 (Dec. 20, 1864) |
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Patent Pictures:
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Henry Herbert Reissue Pat. May 28, 1872 |
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Stan Schulz
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Description: |
| The focus of the patent is the changeable bits for the jaw, which provide cutter, threader and wrench functions.
The specifications differentiate these jaw elements from those described in William Webster's February 9, 1864 patent (no. 41,554). |
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