Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9670011 | Method of transshipping solid particulates in an aqueous suspension of solid particulates using mineral suspending agent | Robert J. Purcell, Steven B. Feldman, Rudolph Coetzee | 2017-06-06 |
| 9573849 | Backfill, methods of making, and use thereof | Robert J. Purcell, Paul Fendley, Rudolph Coetzee, Steven B. Feldman | 2017-02-21 |