US Patent: 3,067,636 
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| Boring Head
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	        Patentee:
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 | Robert Breuning (exact or similar names) - Besignheim, Neckar,  Ludwigsburg District, Baden-Württemberg, Germany |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Apr. 04, 1960 | 
 
| Granted: | 
Dec. 11, 1962 | 
 
 
 
USPTO (New site tip) Google Patents 
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                        Joel Havens 
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        Description: |  
| Claims priority, application filed in Germany, 30 Apr., 1959. |  
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