Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872209 | Integratable amplifier circuit having frequency responsive negative feedback | — | 1989-10-03 |
| 4868518 | Quiescent current setting for an amplifier circuit | Jan de Boer | 1989-09-19 |