US Patent: 632,610 
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| Wrench
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	        Patentees:
		   |  
 | David K. Wilhelm (exact or similar names) - Cresson, PA |  
| Samuel A. Louder (exact or similar names) - Cresson, PA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Mar. 28, 1899 | 
 
| Granted: | 
Sep. 05, 1899 | 
 
 
 
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		  Patent Pictures:
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D. K. Wilhelm and S. A. Louder patent Sept. 5, 1899  |  
 
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                        Stan Schulz 
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        Description: |  
| "S" wrench jaws sliding in dovetail notches; each jaw's adjustment is held by a small set screw with a thumb lever. One end's jaws are flat for nuts, the other end's jaws are cut to grip pipe. |  
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