Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197173 | Multi-band cellular antenna system | David Edwin Barker | 2021-12-07 |
| 10931032 | Split diamond antenna element for controlling azimuth pattern in different array configurations | David Edwin Barker, Karl Ni | 2021-02-23 |
| 10931035 | Parasitic elements for isolating orthogonal signal paths and generating additional resonance in a dual-polarized antenna | David Edwin Barker | 2021-02-23 |