Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702784 | Process for production of a tungsten carbide-activated electrode | Aristides Naoumidis, Herbert Neumeister, Bernd D. Struck, Dieter Triefenbach | 1987-10-27 |
| 4299881 | Graphitic molded article with corrosion-resistant surface layer stable under stress | Hartmut Luhleich, Peter Pflaum, Francisco J. Dias, Aristides Nauomidis, Hubertus Nickel | 1981-11-10 |
| 4293512 | Making temperature-stable protectively coated graphite molded body | Hartmut Luhleich, Peter Pflaum, Francisco J. Dias, Aristides Nauomidis, Hubertus Nickel | 1981-10-06 |