| All Patents in class 318/39 |
Patents 1 -
10
of 31
      |
| Picture | Number | Date | Patentee | Title |
| | 925,108 | Jun. 15, 1909 | D.R. Sperry, R.M. Klein | Motor Controlling Device |
| | 1,386,159 | Aug. 02, 1921 | G.H. Case | Controlling System for Feed Motor |
 | 1,773,712 | Aug. 19, 1930 | J.B. Wiard | Apparatus for controlling electric motors |
 | 2,079,004 | May 04, 1937 | J.E. Doran | Method for regulating the rate of feed of a milling machine or other machine tool having a plurality of driving motors |
 | 2,129,049 | Sep. 06, 1938 | J.E. Doran | Means for regulating the rate of feed of a milling machine or other machine tool |
| | 2,131,107 | Sep. 27, 1938 | A.L. Krause | Grinding Machine |
| | 2,336,849 | Dec. 14, 1943 | G. Davenport | Cutter Stop for Machine Tools |
| | 2,370,222 | Feb. 27, 1945 | H.W. Jacobson, A.L. Krause, A.F. Bennett | Driving and Control Mechanism |
| | 2,497,842 | Feb. 14, 1950 | T.A. Wetzel, T.F. Eserkaln, J.B. Armitage | Machine Tool Transmission and Control Mechanism |
| | 2,546,692 | Mar. 27, 1951 | R.B. Lesher, C.E. Greene | Control System |
