Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419595 | Multiple barrier biological treatment process | Lloyd W. Johnson, Kenneth A. Mikkelson, Dennis M. Gleason | 2008-09-02 |
| 7014763 | Multiple barrier biological treatment systems | Lloyd W. Johnson, Kenneth A. Mikkelson, Dennis M. Gleason | 2006-03-21 |