| US Patent: 581,427 
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| Nut Wrench | 
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| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 24, 1896 |  
| Granted: | Apr. 27, 1897 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Swan Olson patent April 27, 1897 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Reversible ratchet wrench with provision for a handle in line with the extension shank, various sizes of sockets, an adjustable socket, and chucks for drill bits. |  |