| US Patent: 578,249 
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| Combination Tool | 
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| Patentee: |  |
 | Melvin Delos Letteer (exact or similar names) - Delavan, Walworth County, WI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | May 13, 1896 |  
| Granted: | Mar. 02, 1897 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Melvin Delos Letteer patent March 2, 1897 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Turnbuckle adjusting lever locking wrench, with rule, tack claw, screwdriver, and nipper jaws.
C. A. Knowles - patent attorney |  |