Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822327 | Jacket for a flexible magnetic disk and production of the jacket | Kurt Zwintzscher, Dietrich Gruehn, Hubert Fehrenbach, Norbert Holl | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822327 | Jacket for a flexible magnetic disk and production of the jacket | Kurt Zwintzscher, Dietrich Gruehn, Hubert Fehrenbach, Norbert Holl | 1989-04-18 |