Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7311770 | Granulated hydrophobic additive for gypsum compositions | Frederic Gubbels, Derek Butler, Manfred Wehner | 2007-12-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7311770 | Granulated hydrophobic additive for gypsum compositions | Frederic Gubbels, Derek Butler, Manfred Wehner | 2007-12-25 |