Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252781 | Active reset forward converter employing synchronous rectifiers | Karl Rinne, Joseph Duigan | 2001-06-26 |
| 6147583 | Transformer assembly | Karl Rinne, Joe Duigan, Brian Gaynor, Sean Spelman | 2000-11-14 |
| 6081432 | Active reset forward converter employing synchronous rectifiers | Karl Rinne, Joseph Duigan | 2000-06-27 |