| Number | Name | Date | Kind |
|---|---|---|---|
| D336744 | Kahn et al. | Jun 1993 | |
| 3269209 | Davis | Aug 1966 | |
| 4803380 | Jacoby, Jr. et al. | Feb 1989 | |
| 4973801 | Frick et al. | Nov 1990 | |
| 5180886 | Dierenbach et al. | Jan 1993 |
| Entry |
|---|
| Lutron Brochure, Nova Electronic Touch-Switch, upper left corner, 1987. |