Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8477065 | Combined transmit/receive single-post antenna for HF/VHF radar | Donald E. Barrick | 2013-07-02 |
| 8031109 | Combined transmit/receive single-post antenna for HF/VHF radar | Donald E. Barrick | 2011-10-04 |
| 7688251 | Systems and methods for monitoring river flow parameters using a VHF/UHF radar station | Donald E. Barrick, Calvin C. Teague | 2010-03-30 |
| 6856276 | Multi-station HF FMCW radar frequency sharing with GPS time modulation multiplexing | Donald E. Barrick, Calvin C. Teague | 2005-02-15 |
| 6844849 | Circular superdirective receive antenna arrays | Donald E. Barrick | 2005-01-18 |
| 6774837 | Ocean surface current mapping with bistatic HF radar | Donald E. Barrick, Belinda J. Lipa, James D. Isaacson | 2004-08-10 |
| 5361072 | Gated FMCW DF radar and signal processing for range/doppler/angle determination | Donald E. Barrick, Belinda J. Lipa, Jimmy Isaacson | 1994-11-01 |