Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823136 | Transmit-receive means for phased-array active antenna system using rf redundancy | Harvey C. Nathanson, Michael W. Cresswell, Ronald G. Freitag, Donald K. Alexander, Daniel F. Yaw | 1989-04-18 |