| US Patent: 847,596 
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| Nut-wrench | 
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| Patentee: |  |
 | Alden L. McMurtry (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Nov. 14, 1906 |  
| Granted: | Mar. 19, 1907 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | The socket can hold multiple nuts at the same time, for either screwing or unscrewing nuts en masse. |  |