Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867221 | Infusion device and overfill protection mechanism for use with same | — | 2011-01-11 |
| 7798789 | Reducing cylinder wear in a drug pump | Ronald L. Mezera, Nicholas R. Whitehead | 2010-09-21 |
| 7434312 | Method for manufacturing an implantable drug delivery device with peristaltic pump having a retractable roller | Steven R. Christenson, Reginald D. Robinson, Kenneth T. Heruth, Mandred K. Luedi | 2008-10-14 |
| 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 |
| 6645176 | Spring loaded implantable drug infusion device | Steven R. Christenson, Reginald D. Robinson, Kenneth T. Heruth, James E. Randall, Christian Peclat +1 more | 2003-11-11 |
| 6626867 | Implantable drug infusion device with peristaltic pump using tube guides | Steven R. Christenson, Reginald D. Robinson, Manfred K. Luedi | 2003-09-30 |
| 6293922 | Apparatus and method for guiding and limiting access by hypodermic needles to septum of a human implantable medical treatment device | — | 2001-09-25 |
| 4447197 | Tire mold with air vent inserts | Donald R. Bartley | 1984-05-08 |