Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338548 | Light weight gypsum board | Weixin D. Song | 2022-05-24 |
| 11306028 | Light weight gypsum board | Weixin D. Song | 2022-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338548 | Light weight gypsum board | Weixin D. Song | 2022-05-24 |
| 11306028 | Light weight gypsum board | Weixin D. Song | 2022-04-19 |