Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8098229 | Control device for computer | Robbert Smit, Paulus Cornelius Helder | 2012-01-17 |
| 7651480 | Assembly of a needle and a fluid supply device and methods of their use | Cathelijne Dine Augustijn, Wilhelmus Sigebertus C. J. M. Van der Pol | 2010-01-26 |
| D583376 | Computer mouse | Paul C. Helder | 2008-12-23 |
| 7212191 | Operating device for a computer | — | 2007-05-01 |
| 5603130 | Sanitary seat | Alphonsus M. L. D. Hoenderdos, Willem G. L. de Jong, Adrianus Petrus Josephus Maria De Jong | 1997-02-18 |
| 5447356 | Chair for disabled persons | — | 1995-09-05 |