Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658545 | Metal regeneration of iron chelates in nitric oxide scrubbing | Shih-Ger Chang, Yao Shi | 1997-08-19 |
| 5416480 | Analog interface circuits for process controllers and process monitors | Kevin Roach, James G. Calvin | 1995-05-16 |
| 4837361 | A process for the preparation of cysteine from cystine | Shih-Ger Chang, David Liu, Elizabeth A. Griffiths | 1989-06-06 |
| 4732744 | Process for the combined removal of SO.sub.2 and NO.sub.x from flue gas | Shih-Ger Chang, David Liu, Elizabeth A. Griffiths | 1988-03-22 |