Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245253 | Liquid composition and its use as magneto-rheological liquid | Hans-Dieter Grasshoff | 2001-06-12 |
| 5800731 | Homogeneous electroviscous fluids using aluminum compounds | Hans-Dieter Grasshoff, Harald Kohnz, Peter Finmans, Tobias Carstensen, Dieter Jakubik +2 more | 1998-09-01 |
| 5474714 | Non-polluting shock absorber and level controller fluids | Hans-Dieter Grasshoff | 1995-12-12 |
| 4246149 | Cold-cross linking dispersion adhesives | Gundolf Fuchs, Heiko Humbert | 1981-01-20 |