| All Patents in class 310/172 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 1,750,745 | Mar. 18, 1930 | B.L. Conley | Universal motor | universal motors |
| 1,823,555 | Sep. 15, 1931 | J.M. Naul | Electric phonograph motor | |
| 1,939,399 | Dec. 12, 1933 | E.P. Larsh | Electric fan | |
| 1,967,325 | Jul. 24, 1934 | C.A. Rall | Motor | shaded pole induction motors |
| 1,983,091 | Dec. 04, 1934 | E.P. Larsh | Variable-speed induction motor | induction motors |
| 1,993,449 | Mar. 05, 1935 | E.P. Larsh | Electric motor | shaded pole induction motors |
| 2,100,809 | Nov. 30, 1937 | J. Larocca | Self-starting single phase alternating-current induction motor | shaded pole induction motors |
| 2,247,489 | Jul. 01, 1941 | J. Gottlieb, L. Eickemeyer, C. Woessner | Self-starting synchronous motor | |
| 2,552,315 | May 08, 1951 | J. Gottlieb, L. Eickemeyer, C. Woessner | Self-starting synchronous electric motor | |
