US Patent: 868,954
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Wrench
Self-Adjusting Gripping Jaw for Pipe Wrenches
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Patentee:
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| William H. Whittemore (exact or similar names) - East Orange, NJ |
| USPTO Classifications: |
| 81/95 |
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Patent Dates:
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| Applied: |
Oct. 15, 1904 |
| Granted: |
Oct. 22, 1907 |
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Patent Pictures:
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William H. Whittemore Pat. Oct. 22, 1907 |
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Stan Schulz
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Description: |
| The outside of the movable jaw is an increasing spiral. Marketed as the TOTEM pipe wrench, with the spiral cam on only one side of the shank. |
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