Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818753 | Synthesis and method of use for 2, 4 diaminoquinazoline | William T. Colwell | 1989-04-04 |
| 4816491 | Treatment of allergic conditions using indanyloxy-alkanol derivatives | Frank Berger, Howard L. Johnson | 1989-03-28 |