Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070895 | Water resistant cementitious article and method for preparing same | Dick C. Engbrecht, Michael P. Shake, Xuming Wang, David Paul Miller, Michael L. Bolind +3 more | 2011-12-06 |
| 7932308 | Modifiers for gypsum slurries and method of using them | Dennis Mark Lettkeman, Michael P. Shake, John W. Wilson, Brian Randall, David R. Blackburn | 2011-04-26 |
| 7861955 | Wet-grinding gypsum with polycarboxylates | Sharon L. Tracy, David McDonald | 2011-01-04 |