Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849210 | Magnetic resonance imaging of liver and spleen with superparamagnetic contrast agents | — | 1989-07-18 |
| 4844882 | Concentrated stabilized microbubble-type ultrasonic imaging agent | Peter J. Westkaemper | 1989-07-04 |