Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8293003 | Method of making a fiber cement board with improved properties and the product | David J. O'Callaghan, John A. Westland, Bing Su | 2012-10-23 |
| 8273174 | Method of making a fiber cement board with improved properties and the product | David J. O'Callaghan, John A. Westland, Bing Su | 2012-09-25 |