| US Patent: 457,107 
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| Wrench | 
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| Patentee: |  |
 | Charles Warren Cheney (exact or similar names) - Athol, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Mar. 27, 1891 |  
| Granted: | Aug. 04, 1891 |  
 
USPTO (New site tip)| Patent Pictures:
	      
	        [
			1 | 2
	        ] |  |  |  | Charles Warren Cheney patent August 4, 1891 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Screw-adjustable jaw, with a ratchet-like angle adjustment. Produced as the Cheney Ratchet. |  |