Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604358 | Exhaust manifold | Georg Georgs, Gerd Tiefenbacher, Hans A. Harle | 2003-08-12 |
| 6523343 | Air gap insulated exhaust manifold assembly for an internal combustion engine and a method of making same | Johann Kramer, Martin Schlegl, Gerd Tiefenbacher | 2003-02-25 |