Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974913 | Work-station arrangement | Franz Vogt | 1990-12-04 |
| 4962962 | Piece of seating furniture | Robert Vonhausen, E. Hansen | 1990-10-16 |
| 4685733 | Chair | Robert Vonhausen, Eckhard Hansen | 1987-08-11 |
| 4612863 | Work table | Robert Vonhausen | 1986-09-23 |