Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7998571 | Composite cement article incorporating a powder coating and methods of making same | David Lyons | 2011-08-16 |
| 7754320 | Composite fiber cement article with radiation curable component | David Lyons, Donald J. Merkley | 2010-07-13 |