Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783587 | Lightweight wallboard compositions containing natural polymers | Elisha Stav, Lambert J. Metz | 2004-08-31 |
| 6706128 | Method of providing void space in gypsum wallboard and in a gypsum core composition | — | 2004-03-16 |