Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8133253 | Vascular filter with sleeve | Gjalt Bosma, Yvonne L. Hoogeveen, Michiel Koorn | 2012-03-13 |
| 6989021 | Retrievable medical filter | Gjalt Bosma, Hendrik G. Breedveld, Thomas W. Huitema, James Silver | 2006-01-24 |
| 5342958 | Organic compounds derived from urea or thiourea | Kobus Wellinga | 1994-08-30 |
| 5245071 | Organic compounds derived from urea or thiourea | Kobus Wellinga | 1993-09-14 |
| 5142064 | Organic compounds derived from urea or thiourea, insecticidal preparations on the basis of the new substances and methods of producing the substances | Kobus Wellinga | 1992-08-25 |
| 4833151 | Insecticidal Ureas and thioureas | Kobus Wellinga | 1989-05-23 |
| 4607044 | Insecticidal use of ureas and thioureas | Kobus Wellinga | 1986-08-19 |