Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7334461 | Method of measuring exhaust gas on internal combustion engines | Johann Simperl, Hans Erlach | 2008-02-26 |
| 5243847 | Method and apparatus for the indirect identification of mass flow | Harald Koch, Wolfgang Schindler | 1993-09-14 |