Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539860 | Pushbutton interlock | Robert J. Johnston, Stephen G. Layciak | 1985-09-10 |
| 4427853 | Convertible momentary/maintained electric switch | Stephen G. Layciak, Robert J. Johnston | 1984-01-24 |
| 4239946 | Switch operator with switch-mounting adapter | Robert J. Johnston, Stephen G. Layciak, Stephen S. Dobrosielski | 1980-12-16 |
| 4227056 | Key lock rotary selector switch | Robert J. Johnston, Stephen G. Layciak | 1980-10-07 |
| 4227058 | Turn-start push-stop switch operator | Robert J. Johnston, Stephen G. Layciak | 1980-10-07 |