US Patent: 4,358,888 
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| Automatic Tool Changer With Internal Tool Storage Magazine
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	        Patentees:
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 | Frank Zankl (exact or similar names) - Brookfield, Waukesha County, WI |  
| Charles B. Sipek (exact or similar names) - Hales Corners, Milwaukee County, WI |  
| Alvin L. Cleek (exact or similar names) - Wauwatosa, Milwaukee County, WI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Oct. 16, 1980 | 
 
| Granted: | 
Nov. 16, 1982 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Kearney  Trecker Corp. 
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