| US Patent: 3,019,377 
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| Hand Servo Control System | 
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| Patentees: |  
 | John M. Morgan, Jr. (exact or similar names) - Cincinnati, Hamilton County, OH |  | Hubert K. Brown (exact or similar names) - Cincinnati, Hamilton County, OH |  | Joseph A. Rave, Jr. (exact or similar names) - Cincinnati, Hamilton County, OH |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 16, 1958 |  
| Granted: | Jan. 30, 1962 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Cincinnati Milling Machine Co.
 
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