| US Patent: 439,388 
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| Wrench | 
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| Patentee: |  |
 | Elmer S. Cushman (exact or similar names) - Delhi Mills, MI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 14, 1890 |  
| Granted: | Oct. 28, 1890 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Elmer S. Cushman patent October 28, 1890 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Double-sized socket wrench for axle nuts. A wire handle holds the socket in place; a second handle fits a mid-line hole in the socket and a notch in one side wall to turn the socket. |  |