| All Patents in class 310/224 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 227,623 | May 18, 1880 | W.W. Griscom | Electro-Magnetic Motor |
| | 564,559 | Jul. 21, 1896 | R. Eickemeyer | Dynamo-electric machine |
 | 597,419 | Jan. 18, 1898 | F.A. Johnson | Regulation of dynamo-electric machinery |
 | 854,704 | May 21, 1907 | W.J. Richards | Dynamo-electric machine |
| | 925,392 | Jun. 15, 1909 | G.B. Schley | Dynamo Electric Machine |
 | 1,051,821 | Jan. 28, 1913 | W.H. Powell | Dynamo-electric machine |
 | 1,074,392 | Sep. 30, 1913 | L.H. Thullen, F.W. Willey | Electric-motor regulation and control |
 | 1,111,504 | Sep. 22, 1914 | C.H. Smoot | Commutating dynamo-electric machine |
 | 1,115,724 | Nov. 03, 1914 | J.D. Nies | Dynamo-electric machine |
 | 1,121,065 | Dec. 15, 1914 | B.J. Boicourt | Method of and apparatus for preventing sparking in dynamo-electric machines |
