Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862713 | Reservoir water filtration system | — | 2011-01-04 |
| 5685668 | Barrier wall installation system | — | 1997-11-11 |
| 5252226 | Linear contaminate remediation system | — | 1993-10-12 |
| 5118230 | Method and apparatus for installation of leachate containment system | — | 1992-06-02 |
| 5072972 | Coupling device | — | 1991-12-17 |
| 5059064 | Horizontal dewatering system | — | 1991-10-22 |
| 4971690 | Waste water drainage and recovery system | — | 1990-11-20 |
| 4950103 | Corrugated drainage tube | — | 1990-08-21 |
| 4927292 | Horizontal dewatering system | — | 1990-05-22 |
| 4893365 | Adjustable king-sized mattress | — | 1990-01-16 |
| 4871281 | Trenching tool for installing perforated pipe | — | 1989-10-03 |