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| All Patents in class 318/103 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 294,095 | Feb. 26, 1884 | E. Thomson | Electric Power Distribution System | |
| 316,091 | Apr. 21, 1885 | E. Weston | Electro-Magnetic Motor | ||
 | 871,970 | Nov. 26, 1907 | E.W. Stull | System of motor control | |
| 2,374,257 | Apr. 24, 1945 | G. Davenport | Motor Control System | ||
| 2,881,666 | Apr. 14, 1959 | T.A. Wetzel | Pattern Controlled Machine Tool | ||
 | 2,918,951 | Dec. 29, 1959 | G. Haumann | Control mechanism for lumber processing | |