| US Patent: 429,258 
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| Pipe Wrench | 
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| Patentee: |  |
 | Thomas W. Bryant (exact or similar names) - Torrington, CT |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 20, 1890 |  
| Granted: | Jun. 03, 1890 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Thomas W. Bryant patent June 3, 1890 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The "ears" behind the fixed jaw prevent sideways movement of the movable jaw.  The rocking block behind the adjusting nut holds the adjusting nut in place, and limits the movement of the "hook" jaw.  One of the goals of this design was ease of manufacture. |  |