Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605879 | Battery charger control circuit and an uninterruptible power supply utilizing same | Glenn A. Koosmann, Donald K. Zahrte, Sr. | 2003-08-12 |
| 6515883 | Single-stage power converter and an uninterruptible power supply using same | — | 2003-02-04 |