Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192351 | Peel ply for surface preparation and bonding method using the same | Leonard MacAdams | 2021-12-07 |
| 11108220 | Multifunctional surfacing material with burn-through resistance | Junjie Jeffrey Sang, Fiorenzo Lenzi, Jonathan E. Meegan, Leonard MacAdams, Yiqiang Zhao | 2021-08-31 |
| 11027856 | Surfacing materials for composite structures | Junjie Jeffrey Sang, Kevin R. Mullery | 2021-06-08 |
| 10906211 | Mold-releasable surfacing materials for composite parts | Junjie Jeffrey Sang | 2021-02-02 |