Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118354 | Roofing products with zones of algae-resistant granules and method of manufacture | Xiaofeng Tang, Shuang Liu, Robert L. Jenkins | 2021-09-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118354 | Roofing products with zones of algae-resistant granules and method of manufacture | Xiaofeng Tang, Shuang Liu, Robert L. Jenkins | 2021-09-14 |