Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816447 | Creation of synchronization marks in multilevel optical data storage | David Lee, Steven Russel Spielman, Gregory Stephen Lewis | 2004-11-09 |
| 6771570 | Method and format for reading and writing in a multilevel optical data system | Terrence L. Wong, Gregory Stephen Lewis, David Lee, Yi Ling, Stephen Pope +1 more | 2004-08-03 |