| All Patents in class 200/4 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 657,662 | Sep. 11, 1900 | F.A. La Roche | Controlling Means for Explosive-Engines | gas and gasoline engines |
| 789,556 | May 09, 1905 | G.C. Marx | Electric switch | |
| 1,678,129 | Jul. 24, 1928 | G.H. Tuttle | Tap changer | electrical devices |
| 2,203,297 | Jun. 04, 1940 | B.R. Granberg | Control mechanism | |
| 2,664,473 | Dec. 29, 1953 | S.S. Brown | Selector switch | electric switches |
| 2,722,645 | Nov. 01, 1955 | S.S. Brown | Voltage changer switch for a. c. motor | electric motors |
| 3,045,130 | Jul. 17, 1962 | W. Raap, N.P. Bashor | Heavy Duty Electrical Switching Apparatus | electric switches |
