Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241872 | Process and equipment for electrochemical dual phase concentration, collection and removal of ions | Robert E. Marks, Stephen D. Field | 2001-06-05 |
| 6074537 | Equipment for electochemical collection removal of ions | Robert E. Marks, Stephen D. Field | 2000-06-13 |