| US Patent: 487,087 
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| Wrench | 
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| Patentee: |  |
 | Daniel H. Carpenter (exact or similar names) - Orlando, FL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jun. 28, 1892 |  
| Granted: | Nov. 29, 1892 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Daniel H. Carpenter patent November 29, 1892 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The focus of the patent is pivotal movement of the adjustable jaw without use of a pivot-pin.  A spring pushing on the movable jaw facilitates grip-and-release movement. |  |