Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7932308 | Modifiers for gypsum slurries and method of using them | Dennis Mark Lettkeman, Michael P. Shake, Qingxia Liu, John W. Wilson, David R. Blackburn | 2011-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7932308 | Modifiers for gypsum slurries and method of using them | Dennis Mark Lettkeman, Michael P. Shake, Qingxia Liu, John W. Wilson, David R. Blackburn | 2011-04-26 |