Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500826 | Use of panaverium bromide for preventing cell proliferation and diseases caused thereby in the liver and digestive tract | Marie-Odile Christen, Joelle Maugard, Huynh Duc, Hans Scherubl, Michael G. Blennerhasset | 2002-12-31 |
| 4722517 | Mechanical spring having negative spring stiffness useful in an electroacoustic transducer | Kees Dijkstra, Bernard P. Videc | 1988-02-02 |
| 4619119 | Heat pump comprising a thermally driven liquid pump and liquid pump for use in a heat pump | Kees Dijkstra | 1986-10-28 |
| 4607382 | Electroacoustic transducer unit with reduced resonant frequency and mechanical spring with negative spring stiffness, preferably used in such a transducer unit | Kees Dijkstra, Bernard P. Videc | 1986-08-19 |