Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368744 | Methods for treating wastewater | Michael R. Wood | 1994-11-29 |
| 5292441 | Quaternized polyvinylamine water clarification agents | Jen-Chi Chen, Gerald C. Walterick, Jr., Fu Chen | 1994-03-08 |