Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800361 | Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance | Ashok H. Shah | 2004-10-05 |
| 6703331 | Fungus resistant gypsum-based substrate | David M. Harriss | 2004-03-09 |