| US Patent: 291,961 
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| Carriage Wrench | 
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| Patentee: |  |
 | David True (exact or similar names) - Salisbury, VT |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 18, 1883 |  
| Granted: | Jan. 15, 1884 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | David True Pat. January 15, 1884 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | This improvement on True's January 30, 1883 patent (no. 271,549) adds a spring to the plunger, and the "T" handles can rotate relative to the central handle.  True's patents 292,186 and 305,767 represent additional developments on this wrench. |  |