| US Patent: 221,305 
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| Wrench | 
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| Patentee: |  |
 | William A. Heath (exact or similar names) - Healdsburg, CA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 16, 1879 |  
| Granted: | Nov. 04, 1879 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | William A. Heath patent November 4, 1879 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | A rocking latch with a compression spring in the movable jaw is the adjusting mechanism for this quick-adjusting nut wrench.  The patent disclaims any features covered by the J. A. Partridge April 16, 1867 patent (no. 63,935). |  |