Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060288 | Method of producing roofing shingles with enhanced granule adhesion | Husnu M. Kalkanoglu, Keith C. Hong | 2021-07-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060288 | Method of producing roofing shingles with enhanced granule adhesion | Husnu M. Kalkanoglu, Keith C. Hong | 2021-07-13 |