| All Patents in class 318/725 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 389,352 | Sep. 11, 1888 | H.J. Ryan, W.A. Anthony, D.C. Jackson | Alternate-current electric motor |
 | 458,162 | Aug. 25, 1891 | L. Gutmann | Electric motor |
| | 924,991 | Jun. 15, 1909 | D.C. Jackson | Alternating Current Dynamo Electric Machine |
 | 1,016,021 | Jan. 30, 1912 | M.C. Latour | Alternating-current dynamo |
 | 1,016,865 | Feb. 06, 1912 | G. Winter, F. Eichberg | Alternating-current dynamo-electric machine |
 | 1,073,201 | Sep. 16, 1913 | G. Winter, F. Eichberg | Dynamo-electric machine |
 | 1,122,490 | Dec. 29, 1914 | V.A. Fynn | Method of operating alternating-current motors |
| | 1,194,923 | Aug. 15, 1916 | E.F. Alexanderson | Alternating-current commutator-motor |
