| US Patent: 112,626 
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| Improvement in machines for tapping boilers | 
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| Patentees: |  
 | Joseph L. Hewes (exact or similar names) - Newark, NJ |  | Parley I. Perrin (exact or similar names) - Taunton, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Mar. 14, 1871 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Hewes & Phillips
 
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| Description: |  | This patent was perhaps used by Hewes & Phillips of Newark, a maker of machine tools and drill presses, plus water valves, steam engines, and rock drills. |  |