US Patent: 623,188 
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| Wrench
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	        Patentees:
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 | Joseph W. Skersick (exact or similar names) - Bertram, IA |  
| Joseph F. Skersick (exact or similar names) - Bertram, IA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Feb. 13, 1899 | 
 
| Granted: | 
Apr. 18, 1899 | 
 
 
 
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		  Patent Pictures:
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Joseph W. Skersick and Joseph F. Skersick patent April 18, 1899  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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        Description: |  
| Screw adjust wrench with an auxiliary lever handle that tightens the grip by wedge action through a short link. The jaws can be smooth for nuts or have gripping teeth for pipe. |  
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