Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323076 | Method of making a plank assembly having a protective film | Weiling Peng | 2008-01-29 |
| 6699576 | Fibrous cementitious plank assembly having a protective film and method of making same | Weiling Peng | 2004-03-02 |