Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818130 | Method and apparatus for multistage liquid filtration | Robert John Lyng, Michael Brunner | 2004-11-16 |
| 6673447 | Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist | Ning Wei, Robert John Lyng | 2004-01-06 |