Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715812 | Kiln furniture | Klaus Liethschmidt, Hubertus Webert, Emil K. Kohler | 1987-12-29 |
| 4637837 | Process for boriding metals and metal alloys by means of solid boriding agents | Norbert Trausner | 1987-01-20 |