Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855054 | Gaming methods and apparatus using interchangeable symbols | Michael White, Julie A. Mottes, Brian Johnson, James Coleman | 2005-02-15 |
| 6842557 | Optical switch incorporating stepped faceted mirrors | Datong Chen, Ian Hardcastle | 2005-01-11 |
| 6580849 | Optical switch incorporating stepped faceted mirrors | Datong Chen, Ian Hardcastle | 2003-06-17 |