Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304033 | Electron beam tube having a DC power lead with a damping structure | Bernd Seidel | 2001-10-16 |
| 5726533 | Cathode ray tube having an input resonator cavity | Horst Seifert | 1998-03-10 |