| US Patent: 1,192,450 
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| Gear Cutting Machine | 
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| Patentees: |  
 | Charles A. Parsons (exact or similar names) - Newcastle-upon-Tyne, Northumberland, England |  | Alfred Quintin Carnegie (exact or similar names) - Newcastle-upon-Tyne, Northumberland, England |  | Stanley Smith Cook (exact or similar names) - Wallsend, Northumberland, England |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Dec. 13, 1913 |  
| Granted: | Jul. 25, 1916 |  USPTO (New site tip)
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                        Joel Havens
 
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