Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881499 | Hydraulic play compensating element | Markus Dietrich | 1989-11-21 |
| 4877612 | Immunological adjuvant and process for preparing the same, pharmaceutical compositions, and process | Constantin Bona, Mary P. Lechevalier | 1989-10-31 |
| 4816491 | Treatment of allergic conditions using indanyloxy-alkanol derivatives | Joseph I. DeGraw, Howard L. Johnson | 1989-03-28 |