Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753283 | Synthetic, refractory material for refractory products, and process for producing the product | Peter Bartha, Hans-Jurgen Klischat, Guido Weibel | 2004-06-22 |
| 6740612 | Resistor for refractory shaped bodies, and shaped bodies derived therefrom | Peter Bartha, Hans-Jurgen Klischat, Guido Weibel | 2004-05-25 |