Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10796841 | Inductor with flux path for high inductance at low load | Donald Folker, Thomas M. Poehlman | 2020-10-06 |
| 10650959 | Inductor with flux path for high inductance at low load | Donald Folker, Thomas M. Poehlman | 2020-05-12 |
| 10643778 | Magnetic core structure and manufacturing method using a grinding post | Donald Folker | 2020-05-05 |
| 10553339 | Common-mode choke with integrated RF inductor winding | Wei Xiong, Donald Folker, Dane Sutherland | 2020-02-04 |