Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173661 | 3D printing head having electrically descendible nozzle | Chien-Chih Chen, Shih-Wei Huang | 2021-11-16 |
| 11007715 | 3D print head with nozzles capable of raising and lowering | Shih-Wei Huang, Chien-Chih Chen | 2021-05-18 |