US Patent: 2,434,750 
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| Machine Tool
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	        Patentees:
		   |  
 | Theodore Trecker (exact or similar names) - Milwaukee, Milwaukee County, WI |  
| Joseph B. Armitage (exact or similar names) - Wauwatosa, Milwaukee County, WI |  
| Orrin W. Barker (exact or similar names) - Milwaukee, Milwaukee County, WI |  
| Kurt A. Riedel (exact or similar names) - Milwaukee, Milwaukee County, WI |  
| Francis Donald Boehmer (exact or similar names) - Milwaukee, Milwaukee County, WI |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Dec. 30, 1941 | 
 
| Granted: | 
Jan. 20, 1948 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co. 
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