Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232835 | Qualitative immunochromatographic method and device | David J. Litman, Thomas M. Li, Emmy T. Wong | 1993-08-03 |
| 5156952 | Qualitative immunochromatographic method and device | David J. Litman, Thomas M. Li, Emmy T. Wong | 1992-10-20 |
| 5030558 | Qualitative immunochromatographic method and device | David J. Litman, Thomas M. Li, Emmy T. Wong | 1991-07-09 |