Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572697 | Fiber cement building materials with low density additives | Kalynne H. Paradis, Brian P. Sloane, David L. Melmeth, Dean M. Seligman | 2003-06-03 |
| 6562444 | Fiber-cement/gypsum laminate composite building material | Mark Fisher, Donald J. Merkley | 2003-05-13 |
| 6539643 | Surface groove system for building sheets | — | 2003-04-01 |
| 6506248 | Building products | Steve Duselis, Peter Goodwin, Nigel Kirby, Basil Naji, Anhthe Nguyen +2 more | 2003-01-14 |