Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190134 | Tapped inductor voltage controlled oscillator | Charles J. Duey, James W. Caldwell | 2021-11-30 |
| 10924059 | Multi-element resonator | James W. Caldwell | 2021-02-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190134 | Tapped inductor voltage controlled oscillator | Charles J. Duey, James W. Caldwell | 2021-11-30 |
| 10924059 | Multi-element resonator | James W. Caldwell | 2021-02-16 |