Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9492961 | Acoustic ceiling tiles with anti-sagging properties and methods of making same | Wei Xu, Mark H. Englert, Martin W. Brown, Terry L. Rosenstiel | 2016-11-15 |
| 9376810 | Multi-layer ceiling tile | Wei Xu | 2016-06-28 |