| US Patent: 10,464 
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| Mortising-machine | 
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| Patentees: |  
 | John E. Brown (exact or similar names) - Woonsocket, RI |  | Stephen S. Bartlett (exact or similar names) - Woonsocket, RI |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Jan. 24, 1854 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Witherby, Rugg & Richardson
 
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| Description: |  | Witherby, Rugg & Richardson advertised a Bartlett's patent power mortise machine, and Stephen S. Bartlett is the only Bartlett with mortiser patents in the right time frame. He also held patent 33,330. |  |