Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743204 | Implantable drug delivery device with peristaltic pump having retracting roller | Steven R. Christenson, Reginald D. Robinson, Kenneth T. Heruth, Manfred K. Luedi | 2004-06-01 |
| 6733476 | Implantable drug delivery device with peristaltic pump having a bobbin roller assembly | Steven R. Christenson, James E. Randall, Micheal Thomas Hegland, Mark S. Lent, William H. Monsen | 2004-05-11 |