| US Patent: 293,892 
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| Convertible milling and slotting machine | 
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| Patentee: |  |
 | William O. Lincoln (exact or similar names) - Fairhaven, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 13, 1883 |  
| Granted: | Feb. 19, 1884 |  USPTO (New site tip)
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                        Jeff Joslin
 Biography of William O. Lincoln
 Obituary for William O. Lincoln
 
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| Description: |  | Between 1886 and at least 1904, William O. Lincoln was general manager and treasurer of Boston's American Tool & Machine Co. Before that he superintendent of the Fairhaven Iron Works (1879 to 1886). We cannot confirm that they manufactured this milling machine. |  |