US Patent: 128,719 
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| Improvement in Attaching Handles to Saws
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	        Patentee:
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 | James E. Emerson (exact or similar names) - Beaver Falls, PA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Granted: | 
Jul. 09, 1872 | 
 
 
 
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                        Russ Allen. 
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        Description: |  
| Uniquely designed thumb cam nut which as it is turned partially around, forces the end of the saw blade against the bearings and also clamps the socket against the blade. |  
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