Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5490053 | Methods and apparatus for auxiliary trickle power supply | Harold L. Sontag | 1996-02-06 |
| 4266268 | Switching power supply having energy storage inductor in primary circuit of output transformer | — | 1981-05-05 |