| US Patent: D143,921 
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| Pliers Wrench | 
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| Patentee: |  |
 | William A. Laird (exact or similar names) - South Gate, CA |  
 
| USPTO Classifications: |  | D8/52 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | May 01, 1945 |  
| Granted: | Feb. 19, 1946 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | William A. Laird design patent February 19, 1946 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The notable detail of the design is the toothed edge of the slot for the pivot pin. |  |