| US Patent: 451,991 
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| Wrench Carriage-Wrench
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| Patentee: |  |
 | James A. Abbots (exact or similar names) - Seekonk, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 30, 1890 |  
| Granted: | May 12, 1891 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | James A. Abbots patent May 12, 1891 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The wrench features an adjustable jaw with a lever and rod "over-center" latching feature to lock onto an axle nut, and lugs on the side of the fixed jaw that form a wide base to hold the axle nut up off the ground. |  |