Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880514 | Method of making a thin film magnetic disk | Eric Li, Hudson Washburn, Nal T. Viswanathan | 1989-11-14 |
| 4871916 | Sensing of methane | — | 1989-10-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880514 | Method of making a thin film magnetic disk | Eric Li, Hudson Washburn, Nal T. Viswanathan | 1989-11-14 |
| 4871916 | Sensing of methane | — | 1989-10-03 |