Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719903 | Process and apparatus for treating biosolids from wastewater treatment | Richard L. Pressley | 2004-04-13 |
| 6514411 | Process for controlling foam in a treatment reactor | Richard L. Pressley | 2003-02-04 |
| 6203701 | Process and apparatus for treating biosolids from wastewater treatment | Richard L. Pressley | 2001-03-20 |
| 6168717 | Process for controlling foam in a treatment reactor | Richard L. Pressley | 2001-01-02 |