Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499562 | Muffler with variable sound-absorbing characteristics | Gerhard Elfinger, Wolfgang Hahnl, Friedrich Wellner, Andreas Mayr, Klaus Spindler +1 more | 2002-12-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499562 | Muffler with variable sound-absorbing characteristics | Gerhard Elfinger, Wolfgang Hahnl, Friedrich Wellner, Andreas Mayr, Klaus Spindler +1 more | 2002-12-31 |