Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154384 | Multilayer dental appliances and related methods and systems | Chunhua Li, Yan Chen, Heinz Pudleiner, Klaus Meyer, Joerg Nickel | 2021-10-26 |
| 10973613 | Multilayer dental appliances and related methods and systems | Chunhua Li, Yan Chen, Heinz Pudleiner, Klaus Meyer, Joerg Nickel | 2021-04-13 |