Patents for United States Electrical Tool Co. |
Patents 16 -
21
of 21
      |
Number | Date | Patentee | Title | Type |
2,301,156 | Nov. 03, 1942 | G.D. Behlen | Ventilation system for portable power tools | handheld power tools |
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 | |