Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803130 | Reactive sputtering process for recording media | Joseph B. Skorjanec | 1989-02-07 |
| 4729924 | Metallic thin film magnetic recording medium having a hard protective layer | Joseph B. Skorjanec | 1988-03-08 |