Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367513 | Focus and tracking servo decoupling system | Nhan X. Bui, Delbert A. Hansen | 1994-11-22 |
| 4899327 | Focus servo loop correction | Russell A. Budd, Millard A. Habegger, Mark L. Rhoades | 1990-02-06 |