Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8211317 | Ballast water treatment systems including related apparatus and methods | Hap Nguyen, Howard Roop, Ronald Yoshio Nishida | 2012-07-03 |
| 7351336 | Ballast water treatment systems including related apparatus and methods | Hap Nguyen, Howard Roop, Ronald Yoshio Nishida | 2008-04-01 |
| 7005074 | Ballast water treatment systems including related apparatus and methods | Hap Nguyen, Howard Roop, Ronald Yoshio Nishida | 2006-02-28 |