Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5297546 | Transtracheal catheter system and method | Kent L. Christopher, Michael E. Hovanes | 1994-03-29 |
| 5186168 | Transtracheal catheter system and method | Kent L. Christopher, Michael E. Hovanes | 1993-02-16 |
| 5181509 | Transtracheal catheter system | Kent L. Christopher | 1993-01-26 |
| 5090408 | Transtracheal catheter system and method | Kent L. Christopher, Michael E. Hovanes | 1992-02-25 |