| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Sprague Electric Railway & Motor Co. | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 313,546 | Mar. 10, 1885 | F.J. Sprague | Electric Dynamic Motor | ||
| 318,668 | May 26, 1885 | F.J. Sprague | Method of Operating Electric Railway Trains | ||
| 321,147 | Jun. 30, 1885 | F.J. Sprague | Electro Dynamic Motor | ||
| 324,891 | Aug. 25, 1885 | F.J. Sprague | Electric Dynamic Motor | ||