Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746533 | Quick drying plaster | Hubert C. Francis | 2004-06-08 |
| 6746781 | Gypsum board having polyvinyl alcohol binder in interface layer and method for making the same | Hubert C. Francis, Fabio E. Esguerra | 2004-06-08 |
| 5723226 | Gypsum-containing compositions and fire-resistant articles | Hubert C. Francis | 1998-03-03 |
| 5439518 | Flyash-based compositions | Hubert C. Francis | 1995-08-08 |