Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241872 | Process and equipment for electrochemical dual phase concentration, collection and removal of ions | Robert E. Marks, Mary Madden Field | 2001-06-05 |
| 6074537 | Equipment for electochemical collection removal of ions | Robert E. Marks, Mary Madden Field | 2000-06-13 |
| 5162083 | Individual home wastewater treatment plant conversion apparatus | Lee W. Forbes | 1992-11-10 |