| CA Patent: CA-1,106,974 
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| Method and apparatus for remote display of analog signals occurring in computer controlled machine tools | 
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| Patentees: |  
 | Richard Johnstone (exact or similar names) - Brookfield, WI |  | Lyle D. Ostby (exact or similar names) - Brookfield, WI |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jan. 25, 1978 |  
| Granted: | Aug. 11, 1981 |  CIPO Data
 Espacenet patent
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                        Jeff Joslin
 "Vintage Machinery" entry for Kearney & Trecker Corp.
 
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| Description: |  | See US patent 4,109,309. The invention is an improvement to patent 3,882,305, where the machine tool diagnostic computer is connected to a remote system over a telephone line. |  |