Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061348 | Sulfuric acid reprocessor with continuous purge of second distillation vessel | Marshall McCormick | 1991-10-29 |
| 5032218 | Sulfuric acid reprocessor | — | 1991-07-16 |
| 4980032 | Distillation method and apparatus for reprocessing sulfuric acid | Marshall McCormick | 1990-12-25 |
| 4936955 | Hydrofluoric acid reprocessing for semiconductor standards | Marshall McCormick | 1990-06-26 |
| 4392988 | Method of producing stable alumina | Richard Knight | 1983-07-12 |