Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11414864 | Plasterboards and methods for making them | Choung-Houng Lai, Michael J. Lemberger, Gerald D. Boydston, Bryan Wiltzius, Eric Dong +1 more | 2022-08-16 |
| 11326348 | Roofing shingles, tiles and shakes | Choung-Houng Lai, Jia Liu, Liyan Ma, Gregory F. Jacobs | 2022-05-10 |