US Patent: 952,223
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| Wrench
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Patent Dates:
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| Applied: |
May 05, 1909 |
| Granted: |
Mar. 15, 1910 |
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Patent Pictures:
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Benjamin W. Woodward Pat. March 15, 1910 |
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Description: |
| A major feature of the patent is the adjustment lock slide on the back. Turning the handle moves the "outer" jaw. The drawing show options for nut or pipe jaws. Known examples do not include the adjustment lock, or pipe gripping jaws. Some have SUNAPEE, N.H. as the company location. |
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