US Patent: 1,333,174
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| Wrench
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Patentee:
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| Oliver H. Henry (exact or similar names) - Chicago, IL |
| USPTO Classifications: |
| 81/99 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 04, 1919 |
| Granted: |
Mar. 09, 1920 |
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Patent Pictures:
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Oliver H. Henry Pat. March 9, 1920 |
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Stan Schulz
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Description: |
| This pipe wrench has a spring at the pivot point for the swinging hook jaw. The spring tends to keep the jaws in contact with the work piece. |
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