Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156035 | Modeling financial instruments using bid and ask prices | Ralph Bruce Ferguson, Liam Cheung | 2012-04-10 |
| 8090644 | Modeling financial instruments using bid and ask prices | Ralph Bruce Ferguson, Liam Cheung | 2012-01-03 |
| 7542939 | Modeling financial instruments using bid and ask prices | Ralph Bruce Ferguson, Liam Cheung | 2009-06-02 |