| US Patent: 482,281 
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| Wrench Improvements in Pipe-Wrenches
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| Patentee: |  |
 | George B. Stevenson (exact or similar names) - Chicago, IL |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | May 04, 1892 |  
| Granted: | Sep. 06, 1892 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | George B. Stevenson patent September 6, 1892 |  Google Patents
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                        Stan Schulz
 STEVENSON WRENCH (AMERICAN SAW Co.) - FLICKR
 
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| Description: |  | The "tail" of the movable jaw is enclosed within the hollow shell which also holds the adjusting ring. All-metal and wood handle versions were produced. Advertised as the TRIUMPH PIPE WRENCH and the STEVENSON WRENCH. A 1906 catalog listing shows it as the STAR PIPE WRENCH. |  |