| US Patent: 301,891 
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| Gear Cutting Machine | 
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| Patentees: |  
 | Freeman Higgins (exact or similar names) - Manchester, Hillsborough County, NH |  | Richard S. Eastman (exact or similar names) - Manchester, Hillsborough County, NH |  
 
| USPTO Classifications: |  | 409/3 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 04, 1883 |  
| Granted: | Jul. 15, 1884 |  USPTO (New site tip)
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                        Joel Havens
 
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