Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8176980 | Method of gas-cap air injection for thermal oil recovery | Javier Enrique Sanmiguel, Matthew Toews | 2012-05-15 |
| 7852709 | Sonar system and process | Donald Lerro, John Timothy Green, David Ashworth | 2010-12-14 |
| 7453769 | Cavitating body sonar system and process | Ivan N. Kirschner, Donald Lerro, Rudolph Martinez, James S. Uhlman | 2008-11-18 |
| 7330399 | Sonar system and process | Donald Lerro, John Timothy Green, David Ashworth | 2008-02-12 |
| 7106656 | Sonar system and process | Donald Lerro, John Timothy Green, David Ashworth | 2006-09-12 |