Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632904 | Water disinfection method using metal-ligand complexes | Dwight D. Back | 1997-05-27 |
| 5607653 | Process and apparatus for oxidizing and neutralizing caustic waste to liquid fertilizer | Dwight D. Back, Lawrence R. Grzyll, Charlie Ramos | 1997-03-04 |