Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849874 | Single mag amp control system for regulating bipolar voltage output of a power converter | Robert Buck, Pradhuman S. Zaveri | 1989-07-18 |
| 4814962 | Zero voltage switching half bridge resonant converter | Frank M. Magalhaes, Roman Ostapiak, Norman Gerard Ziesse | 1989-03-21 |