Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7852709 | Sonar system and process | Donald Lerro, Larry Freeman, John Timothy Green | 2010-12-14 |
| 7330399 | Sonar system and process | Donald Lerro, Larry Freeman, John Timothy Green | 2008-02-12 |
| 7106656 | Sonar system and process | Donald Lerro, Larry Freeman, John Timothy Green | 2006-09-12 |