US Patent: 179,276
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Pipe-Wrench
Improvement in Pipe Dogs or Wrenches
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Patentee:
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| George H. Crosby (exact or similar names) - Somerville, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 25, 1876 |
| Granted: |
Jun. 27, 1876 |
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Patent Pictures:
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George S. Crosby Pat. June 27, 1876 |
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Stan Schulz
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Description: |
| The adjustable jaw is in a pivoting block, and adjusts by a screw that engages threads inside the shank portion of the movable jaw. |
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