Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7420827 | Self oscillating inrush current limiting converter | — | 2008-09-02 |
| 6785151 | Quasi-synchronous, magnetic amplifier regulated dc-dc converter | Charles E. Mullett | 2004-08-31 |
| 6330169 | Converter output regulation via channel resistance modulation of synchronous rectifiers | Charles E. Mullett | 2001-12-11 |
| 6069804 | Bi-directional dc-to-dc power converter | John Beecroft, Charles E. Mullett | 2000-05-30 |
| 4999594 | AC line filter with tapped balun winding | — | 1991-03-12 |
| 4658345 | Automatic switchover circuit | — | 1987-04-14 |