US Patent: 615,643 
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| Wrench
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	        Patentee:
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 | Jacob F. Strahle (exact or similar names) - Burr, NE |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Feb. 11, 1898 | 
 
| Granted: | 
Dec. 06, 1898 | 
 
 
 
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		  Patent Pictures:
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Jacob F. Strahle patent December 6, 1898  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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        Description: |  
| Adjustable alligator wrench.  A spring-loaded lever pawl engaging one of a series of notches in one jaw member holds the adjustment. |  
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