Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948882 | Sensor system for buried waste containment sites | Bradley M. Gardner, Kevin M. Kostelnik, Judy K. Partin, Gregory D. Lancaster, Mary Catherine Pfeifer | 2005-09-27 |
| 6648552 | Sensor system for buried waste containment sites | Bradley M. Gardner, Kevin M. Kostelnik, Judy K. Partin, Gregory D. Lancaster, Mary Catherine Pfeifer | 2003-11-18 |
| 6016714 | Sensor system for buried waste containment sites | Bradley M. Gardner, Kevin M. Kostelnik, Judy K. Partin, Gregory D. Lancaster, May Catherine Pfeifer | 2000-01-25 |
| 5961437 | Multi-layer waste containment barrier | Bradley M. Gardner, David F. Nickelson | 1999-10-05 |
| 5791825 | Device and method for producing a containment barrier underneath and around in-situ buried waste | Bradley M. Gardner, Richard W. Hanson, Richard T. Hodges | 1998-08-11 |
| 5788422 | Underground barrier construction apparatus with soil-retaining shield | Bradley M. Gardner, Richard W. Hanson, Richard T. Hodges | 1998-08-04 |