Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425163 | Method of producing cement clinker | Hans-Werner Schmidt, Hans Beisswenger, Lothar Reh, Maurice Paliard | 1984-01-10 |
| 4402754 | Process of producing cement clinker | Hans-Werner Schmidt, Hans Beisswenger, Lothar Reh, Maurice P. Iard | 1983-09-06 |