Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830786 | Squaraine dyes | John Pease, Thomas L. Tarnowski, Chiu C. Chang, Chun-Hua Chuang | 1989-05-16 |
| 4806488 | Ligand-receptor assays employing squarate dye compositions | Thomas L. Tarnowski, Edwin F. Ullman | 1989-02-21 |