Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186894 | Preparation of rare earth metals and other chemicals from industrial waste coal ash | Nien-Hwa Linda Wang, David Harvey | 2021-11-30 |
| 10935287 | Heat pump system | — | 2021-03-02 |