| US Patent: 150,157 
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| Improvement in saw-sets | 
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| Patentee: |  |
 | Wilson A. Hearn (exact or similar names) - Dyer Station, TN |  
 
| USPTO Classifications: |  | 76/71 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 31, 1874 |  
| Granted: | Apr. 28, 1874 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Jeff Joslin
 Lee Valley article on this patent
 
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| Description: |  | The patent model for this saw set was featured in the March 2018 newsletter from Lee Valley. See the link below the images. |  |