| All Patents in class 318/263 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 321,147 | Jun. 30, 1885 | F.J. Sprague | Electro Dynamic Motor | electric motors |
| 454,462 | Jun. 23, 1891 | R. Eickemeyer | Electric elevator | |
| 609,016 | Aug. 16, 1898 | R. Eickemeyer | Electric elevator | |
| 793,848 | Jul. 04, 1905 | C.S. Reno | Electric controller | elevators and lifts |
| 865,814 | Sep. 10, 1907 | W.H. Powell | Motor-control system | motor controls |
| 924,786 | Jun. 15, 1909 | H.D. James | System of Electric Motor Control | motor controls |
| 1,011,919 | Dec. 19, 1911 | H.W. Cheney | System of motor control | motor controls |
| 1,156,484 | Oct. 12, 1915 | S.H. Keefer, estate of (deceased) | System of Motor Control | machine tool controls |
| RE14,540 | Oct. 22, 1918 | S.H. Keefer, estate of (deceased) | Planer and System of Motor Control Therefor | machine tool controls |
| 1,305,149 | May 27, 1919 | H.T. Morris | System of control | motor controls |
| 1,728,439 | Sep. 17, 1929 | J.D. Nies | Single-phase-motor system | electric motors |
| 2,069,493 | Feb. 02, 1937 | W.H. Howe | Carriage Traversing Mechanism | machine tool controls |
| 2,500,150 | Mar. 14, 1950 | E.P. Bullard, L.J. Baudis, C.M. Grinage | Positining Apparatus | |
