Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11577039 | Replaceable cushion for respiratory masks | — | 2023-02-14 |
| 11448715 | Permanent magnet system and method of forming thereof | Shao Ying Huang, Zhi Hua Ren, Wen Mu | 2022-09-20 |