Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879215 | Concentrating immunochemical test strip | David Calderhead, Pyare Khanna, Edwin F. Ullman | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879215 | Concentrating immunochemical test strip | David Calderhead, Pyare Khanna, Edwin F. Ullman | 1989-11-07 |