| All Patents in class 200/5R |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 583,935 | Jun. 08, 1897 | F.E. Case, W.B. Potter | Series Parallel Controller | motor controls |
| 870,595 | Nov. 12, 1907 | L.L. Tatum | Controller | motor controls |
| 870,596 | Nov. 12, 1907 | L.L. Tatum | Motor-controller | motor controls |
| 871,970 | Nov. 26, 1907 | E.W. Stull | System of motor control | electric railroads |
| 904,851 | Nov. 24, 1908 | W.O. Duntley, H.J. Kimman | Controller for electric drills | handheld power drills |
| 911,592 | Feb. 09, 1909 | J.T. Janette | Multiple switch-starter | motor controls |
| 991,431 | May 02, 1911 | W.O. Duntley | Controller for electric drills | handheld power drills |
| 1,587,566 | Jun. 08, 1926 | H.B. Tuthill | Electric-motor unit | wood lathes |
| 1,760,257 | May 27, 1930 | J.A. Smith | Switch | handheld power drills |
| 1,976,048 | Oct. 09, 1934 | H.B. Tuthill, H.F. Caldwell | Motor driven lathe head | wood lathes |
| 2,082,806 | Jun. 08, 1937 | E. Michel | Electric control lock | locks |
| 2,393,093 | Jan. 15, 1946 | B.T. Anderson, A.G. Ericson | Unitary controller | |
| 2,511,821 | Jun. 13, 1950 | E.P. Bullard, III | Control Mechanism | machine tool controls |
| 2,789,165 | Apr. 16, 1957 | J.R. Nichols | Program Control Mechanism | machine tool controls |
| 3,385,942 | May 28, 1968 | W.L. McCann | Joystick Control Lever With Pushbutton Speed Control for Machine Tools | machine tool controls |
