Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176469 | Negative ion source with external RF antenna | Ka-Ngo Leung, Sami K. Hahto | 2007-02-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176469 | Negative ion source with external RF antenna | Ka-Ngo Leung, Sami K. Hahto | 2007-02-13 |