Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D871340 | Module latch actuator | Rickard Barrefelt, Tekke Drijfhout, Zhicheng Zhang | 2019-12-31 |
| 9601868 | Module latch actuator | Rickard Barrefelt, Tekke Drijfhout, Zhicheng Zhang | 2017-03-21 |
| 4481745 | Ceiling and coupling element for the same | Johan A. de Weerd, Cor K. Vuyk | 1984-11-13 |