Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684364 | Electron beam tube collector having ceramic shielding means | Roy Heppinstall, Stuart William Andrews | 1997-11-04 |
| 5606221 | Electron beam tubes having a resonant cavity with high frequency absorbing material | Edward Stanislaw Sobieradzki | 1997-02-25 |