Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805799 | Simulated moving bed chromatographic focusing | — | 2004-10-19 |
| 6705113 | Olefin plant refrigeration system | Vitus Tuan Wei, James Tzong-Chaur Wu, Charles Sumner | 2004-03-16 |