Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D961952 | Stackable chair | Martin Ballendat, Walter Richter, Jens Heller | 2022-08-30 |
| D939851 | Seat of a chair | Jean Nouvel, Walter Richter, Markus Freisleben, Michael Scheller, Jens Heller | 2022-01-04 |