US Patent: 520,689 
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| Wrench
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	        Patentee:
		   |  
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 | Herrmann Krebs (exact or similar names) - San Pedro, CA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Mar. 08, 1894 | 
 
| Granted: | 
May 29, 1894 | 
 
 
 
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		  Patent Pictures:
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Herrmann Krebs patent May 29, 1894  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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        Description: |  
| Screw-adjust alligator wrench.  The frame includes a hammer poll. |  
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