Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9192942 | Filter media with improved conductivity | Wai Ming Choi | 2015-11-24 |
| 8663358 | Filter media with improved conductivity | Wai Ming Choi | 2014-03-04 |
| 7964012 | Filter media with improved conductivity | Wai Ming Choi | 2011-06-21 |