Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853704 | Notch antenna with microstrip feed | Leopoldo J. Diaz, Daniel B. McKenna | 1989-08-01 |
| 4835538 | Three resonator parasitically coupled microstrip antenna array element | Daniel B. McKenna | 1989-05-30 |