Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10793472 | Anti-sagging gypsum product and a method to manufacture | Xiaotong Gao, Hao Song, Ke Zhang | 2020-10-06 |
| 9133060 | Chemical additive for gypsum products | Xiaotong Gao, Dongxiao Shao, Hao Song, Ke Zhang | 2015-09-15 |