Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468454 | Method and device for shaping the surface of extruded profiles | Michael Schöbel, Thomas Heinl, Hartmut Schinzel, Klaus Dittmann | 2002-10-22 |
| 6444288 | Conduit profile | Hartmut Schinzel, Klaus Dittmann | 2002-09-03 |