Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8470949 | Non-yellowing low VOC mineral surface enhancer | Hartmut Ackermann, Daniel J. Mania, Mike Coffey | 2013-06-25 |
| 7875674 | Building materials incorporated with hydrophobic silicone resin(s) | Hartmut Ackermann, Maria Augusta Dinelli Azevedo | 2011-01-25 |
| 7294195 | Water repellant gypsum compositions | — | 2007-11-13 |