| US Patent: 402,186 
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| Wrench | 
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| Patentee: |  |
 | Ira F. Peck (exact or similar names) - Providence, RI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Dec. 17, 1888 |  
| Granted: | Apr. 30, 1889 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Ira F. Peck patent April 30, 1889 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | A supplemental wedge-faced tightening lever combined with a tapered face on the corresponding ferule.  Touted as an improvement on screw-threaded supplemental tightening levers (e.g. pat. no. 362,908). |  |