US Patent: 3,796,163 
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| Manufacturing System
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	        Patentees:
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 | Ronald E. Meyer (exact or similar names) - New Berlin, Waukesha County, WI |  
| Frank J. Schalk (exact or similar names) - Brookfield, Waukesha County, WI |  
| Robert K. Sedgwick (exact or similar names) - Waukesha, Waukesha County, WI |  
| John E. Schluge (exact or similar names) - Hales Corners, Milwaukee County, WI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Jul. 12, 1972 | 
 
| Granted: | 
Mar. 12, 1974 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Kearney  Trecker Corp. 
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