Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D352859 | Drawer case for computer diskette storage | Balthasar Kirchner, Siegfried Schleicher | 1994-11-29 |
| D342173 | Swivel arm support for office equipment | Balthasar Kirchner, Siegfried Schleicher | 1993-12-14 |