Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989921 | Test device and method for colored particle immunoassay | David Charlton | 1999-11-23 |
| 5714389 | Test device and method for colored particle immunoassay | David Charlton | 1998-02-03 |