Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634330 | Process for checking a burner system for heating a catalytic converter | Erwin Achleitner | 1997-06-03 |
| 5617720 | Method for controlling the fuel supply for an internal combustion engine with a heatable catalytic converter | Erwin Achleitner | 1997-04-08 |