US Patent: 1,340,092
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| Pipe Wrench
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Patentee:
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| Adolf Tuscher, Jr. (exact or similar names) - Zurich, Switzerland |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 19, 1819 |
| Granted: |
May 11, 1920 |
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Patent Pictures:
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Patent 1,340,092 - edited drawing |
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Stan Schulz
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Description: |
| Swinging hook jaw; the structure of the pivot includes an oval opening with spring-pressured plate which allows for quick size adjustment; the primary size adjustment being screw threads on the main shank. |
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