| US Patent: 73,516 
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| Improvement in Cross Cut Saws | 
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| Patentee: |  |
 | Thomas S. Disston (exact or similar names) - Philadelphia, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Jan. 21, 1868 |  USPTO (New site tip)
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                        Russ Allen.
 
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| Description: |  | Slotted bolt with corresponding slot in the saw blade in addition to two addition screws perpendicular to the blade and fitting into two notches in the blade as well. |  |