Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749964 | Building material mixture | — | 1998-05-12 |
| 5387626 | Additive combination for improving the processing properties of water-containing mixtures of building materials | Jozef Bohme-Kovac, Friedrich Girg | 1995-02-07 |
| 5234968 | Thickening system for water-based building material mixes | Gerhard Debus, Martin Ludke | 1993-08-10 |