Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8233971 | Automated identification of culprit coronary artery | Sophia Huai Zhou, Shankar Reddy, Richard E. Gregg, Eric Helfenbein | 2012-07-31 |
| 5511554 | Real-time artifact removal from waveforms using a dynamic filter having a fixed delay | Eric Helfenbein, Richard D. Pering, Don Goodnature | 1996-04-30 |
| 5503160 | Dynamic filter for real-time artifact removal from waveforms | Richard D. Pering, Don Goodnature | 1996-04-02 |
| 5381803 | QRS detector for defibrillator/monitor | Earl C. Herleikson | 1995-01-17 |
| 5337405 | Guided data presentation | Richard D. Pering | 1994-08-09 |
| 5307455 | Display of multiple variable relationships | Michael Higgins | 1994-04-26 |
| 4860762 | Dual channel resolver for real time arrythmia analysis | John M. Heumann | 1989-08-29 |