Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6210073 | Multi-level fluid transfer apparatus, system and process | Mark D. Buehlman, Daniel T. Rogers | 2001-04-03 |
| 5342147 | Method of recovering subsurface contaminants | Galen L. Kilmer | 1994-08-30 |
| 5050677 | Well construction method | — | 1991-09-24 |
| 4945988 | Apparatus and process for removing volatile contaminants from below ground level | Jerry B. Lisiecki | 1990-08-07 |
| 4919570 | Portable on site soil treatment system | — | 1990-04-24 |
| 4890673 | Method of removing volatile contaminants from contaminated earth strata | — | 1990-01-02 |
| 4730672 | Method of removing and controlling volatile contaminants from the vadose layer of contaminated earth | — | 1988-03-15 |