Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598163 | Semi-free rotating crankshaft actuator to pre-stress and fast release a spring loadable plunger for an oral healthcare appliance | Joldert Maria Boersma, Klaas Kooijker, Egbert Van De Veen, Aaldert Geert ZIJLSTRA, Stephanus Jacob Gerardus Tamminga | 2020-03-24 |
| 7530171 | Shaving apparatus | Sint Baron, Bauke Kalma, Thewis M. Westra | 2009-05-12 |