Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447603 | Process for removing metal ions from liquids | Steven H. Christiansen, R. Keith Frank, Teresa Littleton, Jaime Simon, Walter L. Vaughn +1 more | 1995-09-05 |
| 4732650 | Bleaching of cellulosic pulps using hydrogen peroxide | Steven H. Christiansen, Jimmy D. Myers, David A. Wilson | 1988-03-22 |