Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543234 | Molded wood composites having non-blistering profile with uniform paintability and nesting | Steven K. Lynch, Mark A. Ruggie, William E. Rinker, William J. Young | 1996-08-06 |
| 5250153 | Method for manufacturing a mineral wool panel | Mark H. Englert | 1993-10-05 |
| 5047120 | Method for manufacture of lightweight frothed mineral wool panel | Mark H. Englert | 1991-09-10 |
| 5013405 | Method of making a low density frothed mineral wool | — | 1991-05-07 |
| 4474720 | Method of making pattern matrix having uniform backer thickness | — | 1984-10-02 |
| 4265979 | Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom | Donald O. Baehr | 1981-05-05 |
| 4233368 | Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom | Donald O. Baehr | 1980-11-11 |