Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5255256 | Optical data storage system with reduced particle contamination | Edward M. Engler, David A. Holmstrom, Byron Lee | 1993-10-19 |
| 5200945 | Optical data storage system with airflow defecting member | Edward M. Engler, David A. Holmstrom, Byron Lee | 1993-04-06 |