US Patent: 645,074 
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| Wrench
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	        Patentee:
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 | Clarence C. English (exact or similar names) - Hood River, OR |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Apr. 04, 1898 | 
 
| Granted: | 
Mar. 13, 1900 | 
 
 
 
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		  Patent Pictures:
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Clarence C. English patent March 13, 1900  |  
 
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                        Stan Schulz 
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        Description: |  
| A spring-tensioned locking cam engages rack teeth on the interior of the movable jaw with rack teeth on the main shank. The spring holds the cam "normally engaged." |  
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