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| All Patents in class 318/376 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 273,208 | Feb. 27, 1883 | S.S. Wheeler | Electric Elevatror | ||
| 318,668 | May 26, 1885 | F.J. Sprague | Method of Operating Electric Railway Trains | ||
| 324,621 | Aug. 18, 1885 | S.S. Wheeler | Electric Elevator | ||