US Patent: 158,964 
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| Improvement in Gin-Saw Sharpeners
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	        Patentees:
		   |  
 | Josiah Mizell (exact or similar names) - Colerain, Bertie County, NC |  
| John Revell (exact or similar names) - Colerain, Bertie County, NC |  
 
 
| USPTO Classifications: |  
| 76/39 |  
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Oct. 14, 1874 | 
 
| Granted: | 
Jan. 19, 1875 | 
 
 
 
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                        Joel Havens 
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