Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338548 | Light weight gypsum board | Qiang Yu | 2022-05-24 |
| 11306028 | Light weight gypsum board | Qiang Yu | 2022-04-19 |
| 11267759 | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries | Annamaria Vilinska, Alfred C. Li | 2022-03-08 |