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| All Patents in class 318/459 | |||||
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| Number | Date | Patentee | Title | Type | |
| 264,983 | Sep. 26, 1882 | E. Weston | System for the Electrical Transmission of Power | electric distribution systems | |
| 266,239 | Oct. 17, 1882 | E. Weston | System for the Electrical Transmission of Power | electric distribution systems | |
| 1,016,661 | Feb. 06, 1912 | N. Wilkinson | Circuit-controlling apparatus | motor controls | |