Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647207 | Internal-combustion engine including a cylinder shut-off and exhaust gas catalysts | Ulrich Grotjahn, Stephan Knips, Guenter Koch, Stephan Missy, Bernd Plodek | 1997-07-15 |
| 5638482 | Intercept mechanism for optical cables | Hans Winterhoff, Andreas Guenther, Thorsten Mueller | 1997-06-10 |