Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618469 | Circuits and methods for testing POTS service | Jie Wang | 2003-09-09 |
| 6365049 | Separation of platinum group metals | — | 2002-04-02 |
| 5478376 | Method for the separation of rhodium and/or iridium from solution | Richard Alasdair Grant | 1995-12-26 |