Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560898 | Color picture display tube | John R. Mansell | 1985-12-24 |
| 4422005 | Channel plate electron multiplier | Derek Washington | 1983-12-20 |
| 4395437 | Method of forming a secondary emissive coating on a dynode | — | 1983-07-26 |
| 4276127 | Channel plate electron multipliers | Henry D. Stone, John R. Mansell, Colin D. Overall, Derek Washington | 1981-06-30 |