Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12090744 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Annamaria Vilinska, Brian J. Christ +2 more | 2024-09-17 |
| 11040513 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Annamaria Vilinska, Brian J. Christ +2 more | 2021-06-22 |
| 10421250 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Annamaria Vilinska, Brian J. Christ +2 more | 2019-09-24 |
| 10421251 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Annamaria Vilinska, Brian J. Christ +2 more | 2019-09-24 |