Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9773607 | Coil with variable inner diameter and electronic module made from the coil | Hongnian Zhang, Douglas James Malcolm | 2017-09-26 |
| 9691537 | Power supply module | Douglas James Malcolm, Guoping Zhang | 2017-06-27 |