Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307884 | Multi-level sampling device | — | 1994-05-03 |
| 5294215 | Method for constructing foundations and perimeter walls | — | 1994-03-15 |
| 5256001 | Cylindrical system for in-situ treatment of underwater contaminated material | — | 1993-10-26 |
| 5135058 | Crane-mounted drill and method for in-situ treatment of contaminated soil | Roger H. Kappler | 1992-08-04 |
| 5127765 | System for in-situ treatment of underwater contaminated material | — | 1992-07-07 |