| All Patents in class 307/112 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 286,273 | Oct. 09, 1883 | P.B. Delany | Electrical Synchronous Movement | synchronous motors |
| 2,157,417 | May 09, 1939 | R.F. Kneisley | Automatic circuit selector | woodworking machine mechanisms |
| 2,479,881 | Aug. 23, 1949 | E.K. Wagner | Electronic Control | electronic circuitry and apparatus |
| 2,511,821 | Jun. 13, 1950 | E.P. Bullard, III | Control Mechanism | machine tool controls |
| 3,016,804 | Jan. 16, 1962 | J.G. Osburn, F. Zankl | Program Control System | milling machines |
| 3,524,072 | Aug. 11, 1970 | A.N. Tsergas | Electrical socket for selectively supplying different voltages | |
