US Patent: 172,365
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| Pipe-Wrench
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Patentees:
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| Eliphalet H. Adams (exact or similar names) - St. Joseph, MI |
| Asher F. Gates (exact or similar names) - St. Joseph, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 26, 1874 |
| Granted: |
Jan. 18, 1876 |
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Patent Pictures:
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Eliphalet Adams and Asher Gates Pat. January 18, 1876 |
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Stan Schulz
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Description: |
| A rotating head with several size toothed indentations provides the size assortment for this self-adjusting pipe wrench. The swinging hook jaw is held in contact with the work by an exterior spring. |
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