Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298324 | Magnetic recording medium having a cobalt-plantinum-chromium alloy magnetic layer and a chromium-tungsten underlayer a specified underlayer thickness range | Kenneth E. Johnson, Richard E. Nelson | 1994-03-29 |