Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940142 | Device for storing data diskettes in file folders | Dietmar Behrens, Rudolf Zimmermann | 1990-07-10 |
| 4884691 | Device for storing a data diskette in a file folder | Dietmar Behrens, Rudolf Zimmermann | 1989-12-05 |