| All Patents in class 200/17R |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 867,155 | Sep. 24, 1907 | W.J. Richards | Motor-control system | motor controls |
| 868,596 | Oct. 15, 1907 | H.W. Cheney | Potential-starter attachment | motor controls |
| 957,587 | May 10, 1910 | H. Weichsel | Starting device for electrical motors | electrical devices |
| 1,016,661 | Feb. 06, 1912 | N. Wilkinson | Circuit-controlling apparatus | motor controls |
| 1,018,080 | Feb. 20, 1912 | H.P. Reston | Safety Ratchet-Lever | metalworking machine mechanisms |
| 1,077,451 | Nov. 04, 1913 | G.T. Ashley | Electrical Controlling and Regulating Apparatus | induction motors |
| 3,230,321 | Jan. 18, 1966 | W.L. McCann | Rotary Selector Switch for Selecting Feed Rates and Spindle Speeds of Machine Tools | electric switches |
