Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906042 | Device for locking, in any one of the notches of a rack, an adjusting finger and armchair employing said device | — | 1990-03-06 |
| 4890881 | Multi-position, foldable armchair with adjustable backrest inclination and seat height | Norbert Kleinklaus | 1990-01-02 |