Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9511955 | Mineral suspending agent, method of making, and use thereof | Robert J. Purcell, Matthew J. Lyman, James M. Smith | 2016-12-06 |
| 9416052 | Concrete materials with modified rheology, methods of making, and uses thereof | Steven B. Feldman, Robert J. Purcell, Peter Tutbury, Paul Fendley, Rudolph Coetzee | 2016-08-16 |