Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021708 | Cathode for emission of electrons and electron tube with a cathode of this type | Pierre Nugues, Henri Desmur | 1991-06-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021708 | Cathode for emission of electrons and electron tube with a cathode of this type | Pierre Nugues, Henri Desmur | 1991-06-04 |