Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976261 | Endotracheal tube with inflatable cuffs | Brian Thompson, Michael Hall | 1990-12-11 |
| 4838259 | Multi-frequency jet ventilation technique and apparatus | Henry H. McDonald, Jayant Sabnis, Bernard C. Weinberg | 1989-06-13 |
| 4747403 | Multi-frequency jet ventilation technique and apparatus | Henry H. McDonald, Jayant Sabnis, Bernard C. Weinberg | 1988-05-31 |