Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693908 | Magnetic recording disk with improved lubricant retention | Eva-Maria Rossi | 1987-09-15 |
| 4328607 | Manufacturing process for foil magnetic recording disks | Horst Denner | 1982-05-11 |
| 4317150 | Foil recording disk structures | Edward G. Gruss | 1982-02-23 |