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| Patents for United States Electrical Tool Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,308,472 | Jan. 12, 1943 | J.A. Smith, II | Valve seat grinding device | ||
| 2,468,469 | Apr. 26, 1949 | G.E. Smith | Handle structure for portable tools | handheld power drills | |
| 2,968,136 | Jan. 17, 1961 | G.D. Behlen | Grinding machine assemblies | ||
| 2,986,853 | Jun. 06, 1961 | G.F. Embshoff, G.D. Behlen | Grinding machine assemblies | ||
| 3,157,006 | Nov. 17, 1964 | G.D. Behlen | Grinding machine with means for compensating for grinding wheel wear | ||