| US Patent: 562,329 
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| Wrench attachment for brace | 
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| Patentee: |  |
 | Henry A. Coolidge (exact or similar names) - East Jaffrey, NH |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Feb. 19, 1896 |  
| Granted: | Jun. 16, 1896 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | Henry A. Coolidge patent June 14, 1896 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Jaws hinged together slide in a frame which opens them as they extend.  A spring retracts and closes them.
The COOLIDGE BIT BRACE WRENCH and a larger version with a ratchet "T" handle marketed as the COOLIDGE AUTOMATIC RATCHET WRENCH were produced in the early 20th Century. |  |