Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923906 | Apparatus to establish and optimize sedimentation and methane fermentation in primary wastewater ponds | William J. Oswald | 2005-08-02 |
| 6852225 | Method and apparatus to establish and optimize sedimentation and methane fermentation in primary wastewater ponds | William J. Oswald | 2005-02-08 |