Issued Patents All Time
Showing 1–3 of 3 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, Dennis Parker, Steven B. Feldman | 2017-06-06 |
| 9573849 | Backfill, methods of making, and use thereof | Robert J. Purcell, Dennis Parker, Paul Fendley, Steven B. Feldman | 2017-02-21 |
| 9416052 | Concrete materials with modified rheology, methods of making, and uses thereof | Steven B. Feldman, Robert J. Purcell, Peter Tutbury, Paul Fendley, Dennis Parker | 2016-08-16 |