Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8535790 | Mold- and moisture-resistant gypsum boards | Frederick C. Dupre, Jr. | 2013-09-17 |
| 8034416 | Method for making mold-and moisture-resistant gypsum boards | Frederick C. Dupre, Jr. | 2011-10-11 |