| All Patents in class 310/78 |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
| | 627,613 | Jun. 27, 1899 | F.R. Goolman | Clutch |
 | 664,190 | Dec. 18, 1900 | E. Thomson | Alternating-current electric motor |
| | 714,824 | Dec. 02, 1902 | A. Schwartz | Process of Starting Induction Motors |
| | 805,499 | Nov. 28, 1905 | S.D. Stoycheff | Electric drill |
 | 844,383 | Feb. 19, 1907 | H.I. Finch, C.R. Meston | Electric motor |
 | 844,384 | Feb. 19, 1907 | H.I. Finch, C.R. Meston | Electric motor |
 | 1,092,849 | Apr. 14, 1914 | J.D. Nies | Rotor construction for induction-motors |
 | 1,102,116 | Jun. 30, 1914 | J.J. Wood | Dynamo-electric machine |
| | 1,292,995 | Feb. 04, 1919 | C.H. Beach | Means for mounting sewing-machine motors |
| | 1,650,911 | Nov. 29, 1927 | F. Schneider | Portable hand tool |
