Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6512651 | Helical scan tape track following | Fred C. Eifert, David A. Lawson, Thai Nguyen | 2003-01-28 |
| 6243225 | Adaptive filter for redundant sensor sampled magnetic tape drive control system | Robert O. Wyman | 2001-06-05 |
| 6101059 | Synchronized read/write heads for double sided tape recording | Patrick K. Wong | 2000-08-08 |