Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615974 | Process for soil decontamination by oxidation and vacuum extraction | Christopher A. Land, Joseph A. Pezzullo, Louis C. Papa, Daniel Oberle | 1997-04-01 |
| RE33102 | Removal of volatile contaminants from the vadose zone of contaminated ground | Melvin J. Visser | 1989-10-31 |
| 4660639 | Removal of volatile contaminants from the vadose zone of contaminated ground | Melvin J. Visser | 1987-04-28 |
| 4593760 | Removal of volatile contaminants from the vadose zone of contaminated ground | Melvin J. Visser | 1986-06-10 |