Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8587213 | EL lamp driver with plural outputs | — | 2013-11-19 |
| 8232791 | Soft starting driver for piezoelectric device | Douglas James Andersn | 2012-07-31 |
| 7843140 | AC switch with zero off current for EL panel | Christopher Eric Papke, Robert A. Kimball | 2010-11-30 |
| 7190600 | Single output EL driver producing reduced current spikes | Kenneth Vi Ung, Robert A. Kimball | 2007-03-13 |