US Patent: 1,734,734
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| Wrench
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Patentee:
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| Gottfirid C. Lawson (exact or similar names) - Cleveland, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 10, 1926 |
| Granted: |
Nov. 05, 1929 |
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Stan Schulz
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Description: |
| The basic wrench is the same as Lawson's earlier patent (no. 1,362,014). The focus of this patent is the shape and placement of a tensioning spring to hold the jaw in a "neutral" position. The patent is not "claimed" on any known Lawson pipe wrench. |
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