Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D367236 | Pregnancy testing stick | Theodorus J. J. Groothuizen, Jozef H. M. Raijmakers | 1996-02-20 |
| D365998 | Pregnancy testing stick | Theodorus J. J. Groothuizen, Jozef H. M. Raijmakers | 1996-01-09 |
| 4979598 | Suitcase frame | Johannes W. Verheij | 1990-12-25 |