All Patents in class 318/781 |
Patents 1 -
10
of 10
      |
Picture | Number | Date | Patentee | Title |
| 401,520 | Apr. 16, 1889 | N. Tesla | Method of Operating Electro-Magnetic Motors |
| 416,193 | Dec. 03, 1889 | N. Tesla | Electro-Magnetic Motor |
| 416,195 | Dec. 03, 1889 | N. Tesla | Electro-Magnetic Motor |
 | 433,700 | Aug. 05, 1890 | N. Tesla | Alternating-current electro-magnetic motor |
 | 433,701 | Aug. 05, 1890 | N. Tesla | Alternating-current motor |
| 524,426 | Aug. 14, 1894 | N. Tesla | Electromagnetic Motor |
 | 530,176 | Dec. 04, 1894 | L. Gutmann | Alternating-current motor and method of operating same |
| 731,996 | Jun. 23, 1903 | R. Eickemeyer | Method of operating alternating-current electric motors |
| 2,055,049 | Sep. 22, 1936 | C.A. Rall | Electric motor |
| 3,484,670 | Dec. 16, 1969 | H.J. Shankwitz | Soft start capacitor-start motor |