| US Patent: 649,334 
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| Key Wrench | 
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| Patentee: |  |
 | Iver P. Meloos (exact or similar names) - Stony Brook, MN |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 30, 1900 |  
| Granted: | May 08, 1900 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Iver P. Meloos patent May 8, 1900 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Pliers type tool with fold-out handle ends and a wedge on one jaw.  Designed for inserting and removing cotter keys, and spreading the end of a cotter key after insertion. |  |