| US Patent: 3,389,117 
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| Dressable Heat Conductive Backing for Abrasive Wheels | 
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| Patentees: |  
 | Stanley E. Kozdemba (exact or similar names) - Cincinnati, Hamilton County, OH |  | Victor G. Soukup (exact or similar names) - Cincinnati, Hamilton County, OH |  | Don I. Dally (exact or similar names) - Cincinnati, Hamilton County, OH |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Nov. 26, 1963 |  
| Granted: | Jun. 18, 1968 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Cincinnati Milling Machine Co.
 
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