Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5784268 | Inverter control for support of power factor corrected loads | Laura M. Steffek, Chris Egstad | 1998-07-21 |
| 5670833 | Power transfer method and apparatus for uninterruptible power systems | Mark L. Schultz | 1997-09-23 |
| 5579197 | Backup power system and method | Michael J. Cane, Mark L. Schultz | 1996-11-26 |
| 5473533 | Method and apparatus for efficient phase and frequency coherence locking optimized for digital systems | — | 1995-12-05 |
| 5332927 | Power supply system for a telecommunication system | Steven J. Paul, Murray Leonard, Mark L. Schultz, Robert Alexander Colburn | 1994-07-26 |
| 5198698 | Auxiliary power supply system for providing DC power on demand | Steven J. Paul, Murray Leonard, Mark L. Schultz, Robert Alexander Colburn | 1993-03-30 |