Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822327 | Jacket for a flexible magnetic disk and production of the jacket | Bernhard Lenz, Kurt Zwintzscher, Hubert Fehrenbach, Norbert Holl | 1989-04-18 |
| 4796137 | Protective jacket for a disk-shaped recording medium | Joachim Hack, Hubert Fehrenbach, Peter Rudolf, Norbert Holl | 1989-01-03 |
| 4769731 | Recording medium with an envelope, and an identification part therefor | Klaus Schoettle, Kurt Schmidts, Heinz Berger, Helmut Kreissler | 1988-09-06 |
| 4755901 | Protective jacket for a disk-shaped recording medium | Hubert Fehrenbach, Werner Fehrenbach, Kurt Zwintzscher | 1988-07-05 |
| 4733452 | Production of jackets for flexible magnetic disks, and apparatus for this purpose | Bernhard Lenz, Norbert Holl, Kurt Zwintzscher | 1988-03-29 |
| 4688129 | Protective jacket for a disk-shaped recording medium | Hubert Fehrenbach, Norbert Holl | 1987-08-18 |