Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713925 | Adapter for isolating pacing and defibrillation signals | Joseph L. Sullivan, Bret Warrick | 1998-02-03 |
| 4870341 | Impedance measurement circuit | Denny Craig Edwards | 1989-09-26 |
| 4785812 | Protection system for preventing defibrillation with incorrect or improperly connected electrodes | Denny Craig Edwards | 1988-11-22 |