| US Patent: 324,378 
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| Pipe Wrench | 
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| Patentee: |  |
 | James T. Hayden (exact or similar names) - Boston, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jan. 16, 1885 |  
| Granted: | Aug. 18, 1885 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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			1 | 2
	        ] |  |  |  | James T. Hayden patent  August 18, 1885 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The jaws are hinged clamps held to the handle by a loop and closed by a cam on the handle.  One handle would be used with several sizes of clamps.  This non-marring wrench was designed for brass pipe or other pipe with a bright finish. |  |