Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663647 | Switching gradient amplifier with adjustable DC bus voltage | William F. Wirth | 1997-09-02 |
| 5608771 | Contactless power transfer system for a rotational load | Robert Louis Steigerwald, John A. Mallick | 1997-03-04 |