| US Patent: 3,536,943 
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| Electrically powered hand tool | 
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| Patentees: |  
 | Jerry W. Sellers (exact or similar names) - Lexington, TN |  | Lawrence H. Bowen, III (exact or similar names) - Lancaster, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Aug. 09, 1968 |  
| Granted: | Oct. 27, 1970 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
 
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| Description: |  | "An electrically powered hand tool having a plastic, electrically non-conductive casting which is longitudinally divided into two complementary shells for housing an electric motor and a gear transmission..." |  |