Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608711 | Method and means for changing pit depth on an optical recordable medium | John F. Browne, Richard L. Wilkinson | 1997-03-04 |
| 5608712 | Method and means for varying pit duty cycle and changing pit depth on an optical recordable medium | John Rilum, Richard L. Wilkinson, Shigang Li, John F. Browne | 1997-03-04 |