Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264959 | Ultrasonic contrast agents, process for their preparation and their use as a diagnostic and therapeutic agent | Michael Stein, Dieter Heldmann, Thomas Fritzsch, Joachim Siegert | 2001-07-24 |
| 6177062 | Agents and methods for enhancing contrast in ultrasound imaging | Michael Stein, Dieter Heldmann, Thomas Fritzsch, Joachim Siegert | 2001-01-23 |
| 6071496 | Polyalkylcyanoacrylate agents and methods for enhancing contrast in ultrasound imaging | Michael Stein, Dieter Heldmann, Thomas Fritzsch, Joachim Siegert, Ulrich Speck | 2000-06-06 |