US Patent: 725,103 
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Wrench Improved Chain Wrench
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	        Patentee:
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 | Richard James Lockhart (exact or similar names) - Pittsburgh, PA |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Jan. 08, 1903 | 
 
| Granted: | 
Apr. 14, 1903 | 
 
 
 
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		  Patent Pictures:
	      
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			1 | 2
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Richard James Lockhart patent April 14, 1903  |  
 
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                        Stan Schulz 
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        Description: |  
| Turning the handle moves the slide with the hook.  The end of the chain is attached to an eye piece.  The chain is composed of multiple small links. |  
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