Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203551 | Low biopersistence inorganic fiber free of crystalline silica | Donghui Zhao, Bruce K. Zoitos, Michael J. Andrejcak, Karen L. Hanson | 2021-12-21 |
| 10882779 | Inorganic fiber | Donghui Zhao, Bruce K. Zoitos, Michael J. Andrejcak | 2021-01-05 |