| All Patents in class 318/263 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 321,147 | Jun. 30, 1885 | F.J. Sprague | Electro Dynamic Motor |
| | 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 |
 | 865,814 | Sep. 10, 1907 | W.H. Powell | Motor-control system |
| | 924,786 | Jun. 15, 1909 | H.D. James | System of Electric Motor Control |
 | 1,011,919 | Dec. 19, 1911 | H.W. Cheney | System of motor control |
| | 1,156,484 | Oct. 12, 1915 | S.H. Keefer, estate of (deceased) | System of Motor Control |
| | RE14,540 | Oct. 22, 1918 | S.H. Keefer, estate of (deceased) | Planer and System of Motor Control Therefor |
 | 1,305,149 | May 27, 1919 | H.T. Morris | System of control |
