Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425298 | Apparatus for passive removal of subsurface contaminants and volume flow measurement | Dennis G. Jackson, Brian D. Riha | 2002-07-30 |
| 6367563 | Method and device for removing a non-aqueous phase liquid from a groundwater system | Brian B. Looney, Brian D. Riha | 2002-04-09 |