Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11690770 | Multifunctional wheelchair | Yu-Min Chang | 2023-07-04 |
| 11648174 | Back clapping machine with chest percussion function | Yu-Min Chang | 2023-05-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11690770 | Multifunctional wheelchair | Yu-Min Chang | 2023-07-04 |
| 11648174 | Back clapping machine with chest percussion function | Yu-Min Chang | 2023-05-16 |