| US Patent: 102,653 
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| Improvement in saw | 
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| Patentees: |  
 | Albin W. Wilson (exact or similar names) - Christiana, PA |  | Henry Broomell (exact or similar names) - Christiana, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | May 03, 1870 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | Invention is an "Improvement in Drunker or Wabble-Saws", which is what is now known as a wobble dado saw. |  |