Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818689 | Late differentiation antigen associated with helper T lymphocyte function | Donald W. King | 1989-04-04 |
| 4816404 | Late differentiation antigens associated with helper T lymphocyte function | Donald W. King | 1989-03-28 |