| All Patents in class 310/198 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 450,641 | Apr. 21, 1891 | W. Stanley, Jr. | Self-exciting alternate-current electric generator |
 | 469,515 | Feb. 23, 1892 | M. von Dolivo-Dobrowolsky | Electric machine |
 | 618,578 | Jan. 31, 1899 | E.C. Newcomb | Alternating current motor |
 | 660,908 | Oct. 30, 1900 | B.G. Lamme | Variable-speed electric motor |
 | 688,317 | Dec. 10, 1901 | B.G. Lamme | Winding for electric machines |
 | 733,149 | Jul. 07, 1903 | P.E. Chapman | Method of changing the frequency of single-phase induction-motors |
| | 744,680 | Nov. 17, 1903 | R. Eickemeyer | Electric motor |
| | 1,605,882 | Nov. 02, 1926 | H. Weichsel | Alternating-ctjrreht motor |
