Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946781 | Cathode with optimized thermal efficiency | — | 2005-09-20 |
| 6917148 | Oxide cathode for an electron gun, having a denser and thinner emissive zone | Gerard Proudhon | 2005-07-12 |