| US Patent: 548,962 
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| Wrench | 
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| Patentee: |  |
 | Clarkson B. Collins (exact or similar names) - Miller's Ferry, AL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 06, 1895 |  
| Granted: | Oct. 29, 1895 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Clarkson B. Collins patent October 29, 1895 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Quick adjust nut wrench with a rod having  lifting wedges acting on three spring loaded pawls within the base of the movable jaw. The pawls are set so that one of the series engages a rack tooth on the main shank; thereby multiplying the number of potential adjustment points. |  |