Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11001931 | Systems and methods for purifying aluminum | David H. DeYoung, Xinghua Liu, James Wiswall | 2021-05-11 |
| 10407786 | Systems and methods for purifying aluminum | David H. DeYoung, Xinghua Liu, James Wiswall | 2019-09-10 |