| US Patent: 579,438 
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| Wrench | 
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| Patentee: |  |
 | Joseph P. Lavigne (exact or similar names) - New Haven, CT |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 07, 1897 |  
| Granted: | Mar. 23, 1897 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Joseph P. Lavigne patent March 23, 1897 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The body of the wrench is formed of two "flanged" stampings riveted together, with the movable jaw sliding between them.
Seymour & Earl - patent attorneys |  |