Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11214231 | Recovery system with repeating communication capabilities | James A. Justice, George Liu | 2022-01-04 |
| 10549720 | Recovery system with repeating communication capabilities | James A. Justice, George Liu | 2020-02-04 |
| 10286874 | Recovery system with repeating communication capabilities | James A. Justice, George Liu | 2019-05-14 |
| 9592794 | Recovery system with repeating communication capabilities | James A. Justice, George Liu | 2017-03-14 |
| 8787823 | Recovery system with repeating communication capabilities | James A. Justice, Sampath Krishna, George Liu | 2014-07-22 |
| 7924654 | System for beamforming acoustic buoy fields | Thomas R. Stottlemyer, James E. Chisum | 2011-04-12 |
| 6671228 | Sonar tracking array | Maurice J. Griffin | 2003-12-30 |