Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7006216 | Device for the chemical analysis of material samples and metallurgical vessel therefor | Norbert Ramaseder, Johannes Heitz, Johann Gruber | 2006-02-28 |
| 6268522 | Catalyst, process for its production and its use for preparing vinyl acetate | Alfred Hagemeyer, Uwe Dingerdissen, Klaus Kuhlein, Johannes Heitz | 2001-07-31 |