Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421973 | Wallboard sheet including aerated concrete core | Leslie G. Bromwell | 2002-07-23 |
| 6416619 | System for making wallboard or backerboard sheets including aerated concrete | Leslie G. Bromwell | 2002-07-09 |
| 6409855 | Method for making wallboard or backerboard sheets including aerated concrete | Leslie G. Bromwell | 2002-06-25 |