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| All Patents in class 318/102 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 871,193 | Nov. 19, 1907 | E.W. Stull | Arrangement for motor-drives | |
| 925,108 | Jun. 15, 1909 | D.R. Sperry, R.M. Klein | Motor Controlling Device | ||
 | 1,773,712 | Aug. 19, 1930 | J.B. Wiard | Apparatus for controlling electric motors | |
 | 2,300,838 | Nov. 03, 1942 | C.H. Dicke | Stoker motor control | |
| 2,864,046 | Dec. 09, 1958 | W.B. Ailes | Electrical control system | ||
 | 3,138,974 | Jun. 30, 1964 | J.L. Burg | Spindle selector for machine having a turret head | |