Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657321 | Direct current uninterruptible power supply method and system | — | 2003-12-02 |
| 6597999 | Method and system for real-time prediction of zero crossings of fault currents | William James Premerlani, Vlatko Vlatkovic | 2003-07-22 |
| 6507128 | Low-energy storage fast-start uninterruptible power supply system and method | Robert Dean King | 2003-01-14 |