Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884691 | Device for storing a data diskette in a file folder | Waldemar Hoog, Rudolf Zimmermann | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884691 | Device for storing a data diskette in a file folder | Waldemar Hoog, Rudolf Zimmermann | 1989-12-05 |