Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020501 | Control system for an internal combustion engine | Chi-Thuan Cao, Andreas Erban, Helmut Janetzke, Alfred Schulz, Wolfgang Matuschek | 1991-06-04 |
| 4677560 | Speed control for motor vehicles with microcomputer step-by-step control | Chi-Thuan Cao, Helmut Janetzke, Helmut Kauff | 1987-06-30 |