Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632550 | Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, Frederick M. Boehnert | 2003-10-14 |
| 6508895 | Method of producing gypsum/fiber board | Michael R. Lynn, Gregory J. Cormier | 2003-01-21 |