Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477106 | Cathode placement in a gas discharge closing switch | Eugene E. Lednum | 1995-12-19 |
| 5072148 | Dispenser cathode with emitting surface parallel to ion flow and use in thyratrons | Henry C. Grunwald | 1991-12-10 |