Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641693 | Process for producing structural parts, structural part produced by the process, thermal insulation cylinder, protective tube, heating element, stay pipe, hot-press die and thermal insulation element | Siegfried Rauch | 2003-11-04 |