Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957624 | Apparatus and method for in Situ installation of underground containment barriers under contaminated lands | Ernest E. Carter, Jr., Frank L. Sanford | 1999-09-28 |
| 5765965 | Apparatus for in situ installation of underground containment barriers under contaminated lands | Ernest E. Carter, Jr., Frank L. Sanford | 1998-06-16 |
| 5542782 | Method and apparatus for in situ installation of underground containment barriers under contaminated lands | Ernest E. Carter, Jr., Roberto E. Frulla, Paul J. Pettit, Frank L. Sanford | 1996-08-06 |
| 5194163 | Purification of waste streams | — | 1993-03-16 |