CA Patent: CA-1,021,843 
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| A.C. motor control apparatus and method
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	        Patentees:
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 | Richard E. Stobbe (exact or similar names) - Greenfield, WI |  
| Frank Zankl (exact or similar names) - Milwaukee, WI |  
| John Jacob Schachte (exact or similar names) - Wauwatosa, WI |  
| Edward E. Kirkham (exact or similar names) - Brookfield, WI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Oct. 27, 1976 | 
 
| Granted: | 
Nov. 29, 1977 | 
 
 
 
CIPO Data Espacenet patent 
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                        Jeff Joslin "Vintage Machinery" entry for Kearney & Trecker Corp. 
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