Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956849 | Process and apparatus for graphitizing carbon bodies | Claude Holuigue, Heinrich Panholzer, Wolfgang Trimmel | 1990-09-11 |
| 4863107 | Process and a device for removing foreign solids from pulpers | Erich Harzl, Sirous Namdar | 1989-09-05 |