Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6108285 | Directory structure for worm optical media | Harrison L. Freeman, Richard G. Mustain | 2000-08-22 |
| 5129076 | Optical disk library control system providing an enhanced initialization technique | Harrison L. Freeman, Richard G. Mustain, Carol A. Peters | 1992-07-07 |