Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643462 | Composition and method for water clarification | Jen-Chi Chen, Fu Chen, Gerald C. Walterick, Jr. | 1997-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643462 | Composition and method for water clarification | Jen-Chi Chen, Fu Chen, Gerald C. Walterick, Jr. | 1997-07-01 |