US Patent: 4,028,599 
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| Method of Controlling an A.C. Motor
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	        Patentees:
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 | John J. Schachte (exact or similar names) - Wauwatosa, Milwaukee County, WI |  
| Richard E. Stobbe (exact or similar names) - Greenfield, Milwaukee County, WI |  
| Edward E. Kirkham (exact or similar names) - Brookfield, Waukesha County, WI |  
| Frank Zankl (exact or similar names) - Milwaukee, WI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Feb. 19, 1975 | 
 
| Granted: | 
Jun. 07, 1977 | 
 
 
 
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                        Jeff Joslin Vintage Machinery entry for Kearney & Trecker Corp. 
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