Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10589315 | Coated mat of inorganic fibers, and functional decorative layers, manufactured therefrom, in floor, ceiling and wall coverings | Michael Ketzer, Klaus Friedrich Gleich | 2020-03-17 |
| 10005102 | Coated mat of inorganic fibers, and functional decorative layers, manufactured therefrom, in floor, ceiling and wall coverings | Michael Ketzer, Klaus Friedrich Gleich | 2018-06-26 |