Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751472 | High frequency amplifier | Karl-Heinz Knobbe | 1988-06-14 |
| 4355286 | Resonant circuit arrangement | Karl-Heinz Knobbe | 1982-10-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751472 | High frequency amplifier | Karl-Heinz Knobbe | 1988-06-14 |
| 4355286 | Resonant circuit arrangement | Karl-Heinz Knobbe | 1982-10-19 |