US Patent: 751,914
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| Wrench
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Patentee:
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| John H. Hobson (exact or similar names) - Mattoon, IL |
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Patent Dates:
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| Applied: |
Oct. 31, 1903 |
| Granted: |
Feb. 09, 1904 |
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Patent Pictures:
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John H. Hobson patent February 9, 1904 |
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Stan Schulz
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Description: |
| The wrench is made of three pieces. The adjustable jaw can be shifted to work against either side of the fixed jaw structure. The wrench has both smooth jaw surfaces for nuts and toothed surfaces for pipe.
Hobson's related patents are 693,861, 721,444, and 807,618. The latter is a "quick adjust" version. |
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