Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870987 | Isocyanate-based foam construction boards | John B. Letts, Chunhua Yao | 2020-12-22 |
| 10843442 | Coated membrane composite | Hao Wang, Brian S. Alexander | 2020-11-24 |
| 10611066 | Process for encapsulating fragile insulation materials within polyisocyanurate | John B. Letts | 2020-04-07 |