Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699339 | Gypsum plaster compositions with improved adhesion to plastic surfaces and metal surfaces | Klaus Adler | 2004-03-02 |
| 5702828 | Process for waterproofing gypsum materials | Klaus Adler, Erwin Gubisch | 1997-12-30 |