Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145722 | Tape dispenser | Hilmar Schroeter | 2000-11-14 |
| 4940142 | Device for storing data diskettes in file folders | Waldemar Hoog, Rudolf Zimmermann | 1990-07-10 |
| 4884691 | Device for storing a data diskette in a file folder | Waldemar Hoog, Rudolf Zimmermann | 1989-12-05 |