| All Patents in class 310/68A |
Patents 16 -
23
of 23
      |
| Number | Date | Patentee | Title | Type |
| 1,702,245 | Feb. 19, 1929 | S.D. Black, A.G. Decker | Electrical connection for portable electric tools | handheld power tools |
| 1,712,261 | May 07, 1929 | F.E. Farley | Switch for power drills | handheld power drills |
| 1,929,662 | Oct. 10, 1933 | F.W. Wappat | Motor driven tool switch | handheld power tools |
| 1,935,800 | Nov. 21, 1933 | F.S. Kingston | Electric motor | electric motors |
| 2,119,986 | Jun. 07, 1938 | A.J. Dremel | Electric motor | handheld power tools |
| 2,141,971 | Dec. 27, 1938 | C. Desoutter | Portable electric drill and the like | handheld power drills |
| 2,218,168 | Oct. 15, 1940 | T.L. Hedgpeth | Power tool | handheld power tools |
| 2,487,011 | Nov. 01, 1949 | G.C. Wilhide | Switch assembly for portable electric tools | handheld power drills |
