Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855748 | TCAS bearing estimation receiver using a 4 element antenna | Constantinos S. Kyriakos, Randall C. Spires, Andrejs Jugs | 1989-08-08 |
| 4809004 | Crystal controlled magnetron | Henri Baran, Arezki Manseur, Steven R. Sweet | 1989-02-28 |