| US Patent: 777X 
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| Saw mills | 
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| Patentee: |  |
 | Jacob Spofford (exact or similar names) - Ipswich, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Jun. 23, 1807 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | The inventor was a millwright.Because of the Patent Office fire in December 1836, little is known about this patent. There are no patent specification or drawings available. |  |