Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833311 | Add-on child seat | Matthias Friedrich | 1998-11-10 |
| 5743554 | Airbag arrangement | Matthias Friedrich | 1998-04-28 |
| 5605375 | Child's seat restraining system | Mattias Friedrich | 1997-02-25 |
| 5346379 | Extruding device for extruding plastic tubing with a measuring device for measuring the wall thickness of the plastic tubing | Ulrich Neumann | 1994-09-13 |
| 4905516 | Wall thickness measuring device for pipes, cable casings and the like, more particularly of extruded plastics | — | 1990-03-06 |
| 4812048 | Material feed device for an extruder | Ulrich Neumann | 1989-03-14 |