Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815049 | Gypsum-containing composition having enhanced resistance to permanent deformation | Qiang Yu, William A. Frank | 2004-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815049 | Gypsum-containing composition having enhanced resistance to permanent deformation | Qiang Yu, William A. Frank | 2004-11-09 |