Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250130 | Method and apparatus for monitoring an aspirating and dispensing system | David J. Howard, Ying Cha | 2001-06-26 |
| 5777221 | Volume detection apparatus and method | Ying Cha | 1998-07-07 |
| 5750881 | Method and apparatus for aspirating and dispensing sample fluids | Jeffrey S. Dorenkott, Steven E. Wilder, Dinh Nyugen | 1998-05-12 |