Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022604 | Optical disk mastering system | Bruce E. Del Mar | 2000-02-08 |
| 6013316 | Disc master drying cover assembly | — | 2000-01-11 |
| 5741627 | Optical recording medium and method for eliminating berm buildup | Bruce E. Del Mar | 1998-04-21 |