Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145831 | Method and system for human presence correlation using carbon dioxide | John Durst, Garrett D. Liddil, Marcello M. DiStasio | 2018-12-04 |
| 9470670 | Method and system for human presence correlation using carbon dioxide | John Durst, Garrett D. Liddil, Marcello M. DiStasio | 2016-10-18 |