US Patent: RE8,961
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| Pipe-Wrench
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| USPTO Classifications: |
| 81/99 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 15, 1879 |
| Granted: |
Nov. 11, 1879 |
| Reissue Information: |
| Reissue of 218,195 (Aug. 05, 1879) |
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Patent Pictures:
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Henry Rhyn reissue patent November 11, 1879 |
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Stan Schulz
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Description: |
| The wrench features a screw-adjustable jaw, and a slight leaf spring to keep the hook jaw engaged with the work piece. This spring enables one-handed operation of the wrench. |
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