Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442045 | Biological conjugates of fluorescent rhodol dyes | Richard P. Haugland | 1995-08-15 |
| 5227487 | Certain tricyclic and pentacyclic-hetero nitrogen rhodol dyes | Richard P. Haugland | 1993-07-13 |
| 5132432 | Chemically reactive pyrenyloxy sulfonic acid dyes | Richard P. Haugland | 1992-07-21 |
| 4945171 | Xanthene dyes having a fused (C) benzo ring | Richard P. Haugland | 1990-07-31 |