| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 310/197 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 433,700 | Aug. 05, 1890 | N. Tesla | Alternating-current electro-magnetic motor | |
 | 848,719 | Apr. 02, 1907 | E. Bretch | Alternating-current motor | |
 | 1,108,087 | Aug. 18, 1914 | E.M. Tornmin | Automobile generator for operating headlights | |
 | 1,227,400 | May 22, 1917 | M. von Dolivo-Dobrowolsky | Electric motor | |
| 1,537,737 | May 12, 1925 | S.R. Bergman | Alternating-current commutator motor | ||
 | 2,685,667 | Aug. 03, 1954 | S.S. Brown | Electric motor and method of operation | |