Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7470094 | Geonet for a geocomposite | Dino Heathcott, Dhani Narejo, Rick Schaefer | 2008-12-30 |
| 6802672 | Leachate distribution system | Kristen Z. Hardin | 2004-10-12 |
| 4988236 | Polymeric tape with biocide | William D. Cameron | 1991-01-29 |