Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333779 | Apparatus and process for manufacturing bio-oxidation and nitrification modules | William R. Rinker, Harry R. Ayers | 1982-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333779 | Apparatus and process for manufacturing bio-oxidation and nitrification modules | William R. Rinker, Harry R. Ayers | 1982-06-08 |