Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8945179 | Single disc occlusionary patent foramen ovale closure device | Daniel Olsen, Randy David B. Grishaber, Chao-Chin Chen, John O'Brien | 2015-02-03 |
| 8388572 | Steerable catheter system | Daniel Olsen, Randy David B. Grishaber, Cheo-Chin Chen, Jin S. Park | 2013-03-05 |
| 7771388 | Steerable catheter system | Daniel Olsen, Randy David B. Grishaber, Chao-Chin Chen, Jin Park | 2010-08-10 |