| All Patents in class 310/78 |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| 1,916,270 | Jul. 04, 1933 | F.S. Kingston | Induction motor | induction motors |
| 1,935,800 | Nov. 21, 1933 | F.S. Kingston | Electric motor | electric motors |
| 1,948,037 | Feb. 20, 1934 | F.S. Kingston | Electric motor | electric motors |
| 1,953,179 | Apr. 03, 1934 | F.S. Kingston | Clutch | industrial machine clutches |
| 1,956,041 | Apr. 24, 1934 | J.M. Naul | Radio-tuner motor | electric motors |
| 1,979,333 | Nov. 06, 1934 | E.R. Llewellyn | Power Transmitting Apparatus | metal shapers |
| 2,297,988 | Oct. 06, 1942 | M.B. Sawyer | Motor construction | induction motors |
