Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705987 | Penile seal and constriction ring | David W. Anderson, Karl Biewald, Gerald W. Timm | 2004-03-16 |
| 6652692 | Method of making radiopaque catheter tip | Dennis A. Peiffer | 2003-11-25 |
| 6171297 | Radiopaque catheter tip | Dennis A. Peiffer | 2001-01-09 |