Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855028 | Particulate magnetic recording media having an areally controlled recording characteristic | Ramesh Jagannathan | 1989-08-08 |
| 4805065 | Particulate magnetic recording media having an areally controlled recording characteristics | Ramesh Jagannathan | 1989-02-14 |