Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864319 | Radio frequency antenna with small cross-section | Sinclair N. C. Chen | 1989-09-05 |
| 4845507 | Modular multibeam radio frequency array antenna system | Wilbur H. Thies, Jr. | 1989-07-04 |