Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765777 | Overvoltage-protection device | — | 2004-07-20 |
| 4924347 | Gas lightning arrester containing a mineral addition agent | — | 1990-05-08 |
| 4516186 | Multi-layer power capacitor | Patrick Hardy, Serge Guichard | 1985-05-07 |