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| Patents for Otis Elevator Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,112,784 | Oct. 06, 1914 | E.L. Gale, Sr. | Means for Controlling Electric Currents | motor controls | |
| 1,120,709 | Dec. 15, 1914 | E.L. Gale, Sr. | Automatic Starter for Electric Motors | motor controls | |