| All Patents of Type: electric railroads |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 276,569 | May 01, 1883 | L. Daft | Electric Railway | electric railroads |
| 318,668 | May 26, 1885 | F.J. Sprague | Method of Operating Electric Railway Trains | electric railroads |
| 408,232 | Aug. 06, 1889 | W.W. Griscom | Means for Propelling Vehicles by Secondary Batteries | electric railroads |
| 408,233 | Aug. 06, 1889 | W.W. Griscom | Vehicle Motor | electric railroads |
| 554,719 | Feb. 18, 1896 | W. Oesterlein | Conduit electric railway | electric railroads |
| 632,849 | Sep. 12, 1899 | W. Sellers, E.M. Putnam | Trolley Wheel | electric railroads |
| 871,220 | Nov. 19, 1907 | T. Gilmore, Jr. | Controller | electric railroads |
| 871,970 | Nov. 26, 1907 | E.W. Stull | System of motor control | electric railroads |
| 879,847 | Feb. 25, 1908 | T.R. Bell | Safety controlling mechanism | electric railroads |
