Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759213 | Arrangement having an air-mass meter for an internal combustion engine | Wolfgang Porth, Wolfgang Weibler, Thomas Hannewald, Reiner Weingartner | 1988-07-26 |
| 4742710 | Arrangement having an air-mass meter for an internal combustion engine | Wolfgang Porth, Wolfgang Weibler, Thomas Hannewald, Reiner Weingartner | 1988-05-10 |
| 4742711 | Arrangement having an air-mass meter for an internal combustion engine | Wolfgang Porth, Wolfgang Weibler, Thomas Hannewald, Reiner Weingartner | 1988-05-10 |