Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075690 | Diffuser gravity support | Ernst Keller, John M. White, Robin L. Tiner, Soo Young Choi, Beom Soo Park +1 more | 2011-12-13 |
| 7429410 | Diffuser gravity support | Ernst Keller, John M. White, Robin L. Tiner, Soo Young Choi, Beom Soo Park +1 more | 2008-09-30 |