Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583782 | Virtual force feedback interface | Eric Justin Gould, Paulus W. Risnadi, Tina Chia Ho | 2003-06-24 |
| 6433775 | Virtual force feedback interface | Eric Justin Gould, Paulus W. Risnadi, Tina Chia Ho | 2002-08-13 |