Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8121279 | Discussion unit with removable rim | Gerard Boersen, Ko Van Bruinessen, Martien Kas, Ruud De Wit, Ad Hermans | 2012-02-21 |
| 7912197 | Conference system discussion unit with exchangeable modules | Ruud De Wit | 2011-03-22 |
| 6845595 | Method for constructing a balanced stair | — | 2005-01-25 |