Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994952 | Low-noise switching power supply having variable reluctance transformer | Leroy F. Silva, Fred M. Fehsenfeld, Sr. | 1991-02-19 |
| 4876638 | Low-noise switching power supply having variable reluctance transformer | Leroy F. Silva, Fred M. Fehsenfeld, Sr. | 1989-10-24 |