Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8444787 | Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum | James R. Wittbold | 2013-05-21 |
| 8133357 | Panels including renewable components and methods for manufacturing same | Bangji Cao, Te Hua Lau, Martin W. Brown | 2012-03-13 |
| 8080133 | Panels including renewable components and methods for manufacturing | Bangii Cao, Te Hua Lau, Curt Malone, Martin W. Brown | 2011-12-20 |
| 8057915 | Acoustical gypsum board panel and method of making it | Mark H. Englert, Qiang Yu, Martin W. Brown, Richard B. Stevens | 2011-11-15 |
| 8016960 | Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum | James R. Wittbold | 2011-09-13 |
| 7935223 | Panels including renewable components and methods for manufacturing | Bangji Cao, Te Hua Lau, Curt Malone, Martin W. Brown | 2011-05-03 |
| 7588634 | Process for manufacturing ultra low consistency alpha- and beta- blend stucco | Michael R. Lynn, Qingxia Liu, Qiang Yu, Michael L. Cloud | 2009-09-15 |