Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5864069 | Lysimeter for collecting chemical samples from the vadose zone | Patrick K. Sullivan, Robert E. Bourke | 1999-01-26 |
| 5677499 | Lysimeter for collecting chemical samples from the vadose zone | Patrick K. Sullivan, Robert E. Bourke | 1997-10-14 |
| 5590979 | Flexible pipe diffuser and method of using the same | Patrick K. Sullivan, Warren E. Bucher | 1997-01-07 |
| 5567889 | Lysimeter for collecting chemical samples from the vadose zone | Patrick K. Sullivan, Robert E. Bourke | 1996-10-22 |