Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4583145 | Apparatus comprising a lubricant-coated magnetic disc and a magnetic head, and method of making said apparatus | Annelie Monnich, Michael Glatzel, Holger Hinkel, Gerhard Kaus, Georg Kraus +1 more | 1986-04-15 | $21,461,000 |
| 4415634 | Magnetic disk substrate with a core of synthetic material | Holger Hinkel, Ulrich Kuenzel, Jochen Schneider | 1983-11-15 | $23,835,000 |