| US Patent: 79,721 
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| Threading Screws | 
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| Patentee: |  |
 | T. D. Bassett (exact or similar names) - Charlestown, Middlesex County, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Jul. 07, 1868 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | This invention consists in the combination of a jointed shaft with a rotating burr-cutter, mounted on a swinging frame; also, in combining these last-named features with a weighted and sliding tool-rest; also, in arranging the dead-centre in the edge of the tail-stock, for the purpose hereinafter described. |  |