Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7674155 | Process and apparatus for artificially ageing blocks | Hans Gebhart, Thomas Riedle, Hermann Sauter | 2010-03-09 |
| 7404755 | Process and apparatus for artificially ageing blocks | Hans Gebhart, Thomas Riedle, Hermann Sauter | 2008-07-29 |