Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718725 | Support-and adjusting device for seat and backrest on a work chair | Heinz-Peter Suhr | 1988-01-12 |
| 4695093 | Work chair | Heinz-Peter Suhr | 1987-09-22 |
| 4660885 | Adjusting mechanism for the step-wise locking height adjustment of backrest of work chair | Heinz-Peter Suhr | 1987-04-28 |