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| Patents for Sprague Electric Railway & Motor Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 313,546 | Mar. 10, 1885 | F.J. Sprague | Electric Dynamic Motor | DC motors | |
| 318,668 | May 26, 1885 | F.J. Sprague | Method of Operating Electric Railway Trains | electric railroads | |
| 321,147 | Jun. 30, 1885 | F.J. Sprague | Electro Dynamic Motor | electric motors | |
| 324,891 | Aug. 25, 1885 | F.J. Sprague | Electric Dynamic Motor | DC motors | |