Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159091 | Alternate ventilation system | Raymond H. Horstman, Dennis D. Chung, Thomas R. Hasenoehrl, Quy Lam, J. Everett Groat | 2000-12-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159091 | Alternate ventilation system | Raymond H. Horstman, Dennis D. Chung, Thomas R. Hasenoehrl, Quy Lam, J. Everett Groat | 2000-12-12 |