US Patent: 618,313
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| Pipe and Nut Wrench
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Patentee:
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| August H. Adams (exact or similar names) - Piqua, OH |
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Patent Dates:
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| Applied: |
May 25, 1898 |
| Granted: |
Jan. 24, 1899 |
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Patent Pictures:
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August H. Adams patent January 23, 1899, with pictured example |
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Stan Schulz
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Description: |
| The adjustable jaw is attached to a threaded pivot block with a slight range of motion; the adjustment is accomplished by screwing the shank in or out.
The handle and fixed jaw are two pieces riveted together in the production tool rather than the single piece shown in the patent drawing. |
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