Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7919001 | Water purification system and method using reverse osmosis reject stream in an electrodeionization unit | William Haas, Joel Robinson | 2011-04-05 |
| 7470366 | Water purification system and method using reverse osmosis reject stream in an electrodeionization unit | Joel Robinson, William Haas | 2008-12-30 |