Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279753 | Wastewater treatment system including multiple stages of alternate aerobic-anerobic bioreactors in series | Ronald L. Kreiling, Robert C. Hill, Ralph A. Nice | 1981-07-21 |
| 4233152 | Apparatus and method for the treatment of liquors | Robert C. Hill, Ronald L. Kreiling, Ralph A. Nice | 1980-11-11 |