Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40016 | Power factor correction control circuit | Thomas Ribarich, Dana Wilhelm | 2008-01-22 |
| 6316887 | Multiple ignition high intensity discharge ballast control circuit | Thomas Ribarich | 2001-11-13 |
| 6259614 | Power factor correction control circuit | Thomas Ribarich, Dana Wilhelm | 2001-07-10 |