Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593102 | Cytological stain composition | David Zahniser, Louise Isenstein, Norman Soule, Daniel Lapen | 2003-07-15 |
| 6348325 | Cytological stain composition | David Zahniser, Louise Isenstein, Norman Soule, Daniel Lapen | 2002-02-19 |