Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242681 | Polyisocyanurate coverboards with improved fire resistance | John B. Letts, Chunhua Yao | 2022-02-08 |
| 11242684 | Thermoplastic roofing membranes for fully-adhered roofing systems | Hao Wang, Dwayne WACENSKE, Donna C. TIPPMANN | 2022-02-08 |