Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D474966 | Folder and rider thereof | Heike Schnabel, Markus Schneider | 2003-05-27 |
| 5413430 | Clamping device and a clamping file equipped therewith | Herbert Kratzert, Alexander Benn | 1995-05-09 |
| 4940352 | Binding folder | Herbert Kratzert | 1990-07-10 |