Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230700 | Method of making a coated three-dimensionally shaped glass ceramic body, especially a fireplace or oven viewing window pane | Holger Waldschmidt, Marten Walther | 2012-07-31 |
| 7958745 | Method of making a coated three-dimensionally shaped glass ceramic body, especially a fireplace or oven viewing window pane | Holger Waldschmidt, Marten Walther | 2011-06-14 |