Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094721 | Multiple-effect evaporation system and process | — | 1992-03-10 |
| 4402793 | Multiple effect thin film distillation system and process | Clifford M. Cantrell | 1983-09-06 |
| 4329204 | Multiple effect thin film distillation system | Clifford M. Cantrell | 1982-05-11 |