Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857861 | Amplifier arrangement with improved quiescent current control | Willem De Jager | 1989-08-15 |
| 4853645 | Amplifier arrangement with quiescent current control | Willem De Jager, Pieter Buitendijk | 1989-08-01 |