Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885556 | Circularly polarized evanescent mode radiator | Steven J. Peters | 1989-12-05 |
| 4870426 | Dual band antenna element | Luis L. Oh | 1989-09-26 |
| 4862185 | Variable wide angle conical scanning antenna | George S. Andrews, Daniel Joseph Tracy | 1989-08-29 |