Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284005 | Sodium carbonate recrystallization | Wayne C. Hazen, Dale Lee Denham, Jr., Rudolph Pruszko, David R. Baughman | 2001-09-04 |
| 6092665 | Beneficiation of saline minerals | Roland Schmidt, Dale Lee Denham, Jr., Allen H. Moore, Allan L. Turner | 2000-07-25 |