Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779022 | Cooling structure for a screen grid electron tube such as a transmitter tetrode | Ingo Beling | 1988-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779022 | Cooling structure for a screen grid electron tube such as a transmitter tetrode | Ingo Beling | 1988-10-18 |