Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016960 | Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum | W. David Song | 2011-09-13 |
| 7875114 | Foamed slurry and building panel made therefrom | Bruce L. Petersen, Alfred C. Li | 2011-01-25 |