Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458554 | Biological indicator for sterilization processes with double buffer system | Henry K. Hui, Leslie A. Feldman | 2002-10-01 |
| 6436659 | Biological indicator for sterilization processes with double buffer system | Henry K. Hui, Leslie A. Feldman | 2002-08-20 |