Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399901 | Method for expansion of sand grain-shaped raw material | Harald Tschernko, Markus Alfred Pusch, Ernst Erwin Brunnmair | 2019-09-03 |
| 10233118 | Device for expansion of sand grain-shaped raw material | Harald Tschernko, Marcus Alfred Pusch, Ernst Erwin Brunnmair | 2019-03-19 |