| US Patent: 2,862,423 
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| Powered Deburring Device | 
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| Patentees: |  
 | Perry A. Warren (exact or similar names) - Newtown, El Dorado County, CA |  | Mervyn W. Kelton (exact or similar names) - Castro Valley, Alameda County, CA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 03, 1955 |  
| Granted: | Dec. 02, 1958 |  USPTO (New site tip)
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 Report data errors or omissions to steward 
                        Joel Havens
 
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| Description: |  | The patent lists Kelton's address as Castro Valley, PA. We believe this to be a mistake and it should be Castro Valley, CA. |  |