Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681635 | Magnetic recording medium having a ceramic substrate, an underlayer having a dense fibrous zone T structure, and a magnetic layer | Carl W. Nelson, Richard Weir | 1997-10-28 |
| 5635269 | Precision-etched textured stop/start zone for magnetic-recording disks | Carl W. Nelson, Neil D. Heiman | 1997-06-03 |
| 5626920 | Method for coating metal disc substrates for magnetic-recording media | Carl W. Nelson | 1997-05-06 |
| 5624725 | Protective overcoatings for magnetic-recording disks | Carl W. Nelson | 1997-04-29 |